Category Archives: Schurter News

Schurter EC12 Snap-In Appliance Inlet with Filter and Mains Switch

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IEC C20 Appliance Inlet with Filter and Mains Switch
• Compact Power Entry Module with Filter
• Optionally with Enhanced Surge Withstand Voltage
• V-Lock Cord Retention

Schurter expands the successful EC12 appliance inlet filter family with new variants for snap-in mounting. This allows the compact power entry module to be mounted even faster and easier.

The EC12 filter series combines an IEC C20 appliance inlet with a high quality 1-stage filter and power switch.

Snap-In Mounting:
New variants of the EC12 power entry modules feature two snap-in springs instead of the screw flange for even simpler and more efficient installation. Thanks to the high-quality springs, a tight-fitting installation is ensured with good electrical contacting of the mounting panel at the same time. The wide metal flange contacts the housing over a large surface area, thus enabling optimum filtering and shielding effect.

The EC12 filter series is available as a standard or medical version and is used in devices that require particularly high resistance to interference. This includes IT or telecom systems according to IEC 92368-1 and medical equipment according to IEC 60601-1.

Filter versions with increased surge withstand voltage capability are also available. These have interference suppression capacitors of safety class X1 for surge voltages of 4 kV between L and N and Y1 for surge voltages of 8 kV.

The series is compatible with V-Lock cord retention device connection cables. The EC12 series is certified for currents up to 16 A/250 VAC according to IEC and 20 A according to UL/CSA at 125/250 VAC. It comes with ENEC, CQC and cURus approvals.


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Schurter Series 4750 IEC Strip-Block Type F

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• Choice from 2 up to 7 Outlets
• Cord Retention and Optional Light Pipes
• Hard-Wired Bus Variants Configurable
• Available in Black, Grey or White

The demands on power distribution units are very individual. For this reason, Schurter is launching the 4750 series, an appliance socket strip with maximum flexibility and an unprecedented range of variants.

For those who like to configure their power distribution units exactly according to their needs will find the perfect solution for every conceivable application in the new SCHURTER Series 4750.

The Wide Range of Variants
The number of outlets can be freely configured from 2 to a maximum of 7, whereby each outlet already has a cord retention system (horizontal or vertical). This is an indispensable requirement for power distribution units in data center applications or in medical technology.

Furthermore, the 4750 appliance strip-block is available in a wide range of Terminal variants (PCB, solder or Quick Connect versions) as well as with freely configurable light pipes to indicate an individual status.

To keep track in 3-phase systems, the 4750 series is available in three different colors white, grey or black.

Reduction of Manufacturing Effort
A highlight are four possible hard-wired bus variants (L/N/PE, N/PE, PE or PE/L), which again massively reduce the wiring effort while manufacturing. This as a further goal to offer a product, perfectly fitted to the customer’s needs.


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Schurter Types 4761 / 4762 Waterproof Push/Pull Appliance Coupler

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Schurter presents the new waterproof IEC connector consisting of the appliance inlet type 4761 and the rewireable cord connector type 4762. With its high protection class IP 67 or IP 69K connected or unconnected with cover, this appliance coupler is perfect for supplying power to appliances used in harsh environments such as industrial, marine, laboratories or any type of outdoor appliances.

The Push/Pull locking system provides a strong reliable connection, yet at the same time ensures a break-away cable in the event of overdue stress. The blue shape and color of the pull-out mechanism indicates the pull-out direction. A clear catch sound is heard upon the seated connection. The connector style is similar to the international standards of IEC and UL/CSA 60320, but is distinguished by a special arrangement of the contacts, so as not to interchange with conventional power cords. This ensures the maximum power applied, IP protection and the cord retention. The connector can be temporarily submerged in water and can be cleaned with high-pressure hot water cleaners. Both components are very easy to terminate. The inlet 4761 is available with solder or quick connect terminals. The connector is equipped with conventional screw terminals, as commonly seen in rewireable connector designs. Thus, no special tools for wire assembly are necessary.

The appliance couplers are available in black and white. The dual components, appliance inlet and cord connector, can be ordered as complete sets, which simplifies the ordering processes and customer logistics. The inlet and connector are also available as individual components for separate inventorying. Accessory covers are available for both plug parts, providing a waterproof protection IP 67 in plugged state and IP 69K in an unplugged state. These protective covers also offer protection against pollutants, which can potentially contaminate the contacts.

The approvals of these connectors according to IEC/UL 60320 simplify the process for the equipment manufacturer to obtain approval of their appliances, because many equipment standards with respect to the power supply refers to these component standard.

Technical Specifications:
– Standards: IEC 60320-1, UL 60320-1, CSA C22.2 No 60320-1
– Approvals: ENEC, UL/CSA
– Ratings UL/CSA 15 A / 250 VAC, 60 Hz
– Ratings UL/CSA 15 A / 250 VAC, 60 Hz
– Maximum operating temperature: +120 °C
– Wire size connector: 0.75 – 1.0 mm2, 18 AWG – 14 AWG (0.82 – 2.08 mm2)
– IP protection degree IP 67 and IP 69K


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Schurter TTS RGB Contactless Switch

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Switch For Contactless, Hygienic Switching with Customized Color Settings:
• Contactless switch with optical feedback
• Individual, customized color settings
• For applications in public areas (no smear infections)
• High precision detection

Contactless, highly precise and now also individually color-customizable: The new Schurter TTS RGB extends the technical finesse of the TTS switch introduced last year with the popular RGB functionality.

The TTS family is getting a new member in the form of a color-customizable variant, called: TTS RGB. All TTS switches use the highly precise Time-of-Flight (ToF) technology. Light is emitted by a transmitter and reflected by one or more objects. The reflected light beams are then detected and the distance is determined from the time of flight.

Colorful Ring Illumination:
In addition to the pre-programmed bicolor switches, which are available in “Momentary” and “Latching” versions, the new RGB variant makes things much more colorful. Depending on the wiring, the customer can easily set the ring illumination color as desired.

High Reliability:
By default, the detection distance is programmed for 20 to 60 mm. This ensures that wiping/cleaning the switch surface will not trigger a signal. An advantage of ToF technology is that this sensor technology has no problems in differentiating dark from light surfaces. White or black objects: this has no effect on detection quality or speed.

Since the TTS has no moving parts, its service life is more than 20 million switching cycles. Thanks to its high IP protection class and the ability to “detect” rain, this switch is also ideally suited for outdoor use.

Application Areas:
The contactless switches of the TTS RGB family are extremely multifunctional. They can be used wherever contact should be avoided to the greatest possible extent. Examples would be doors, garbage cans, parking systems and sanitary areas.


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Schurter NEMA Receptacles 5-15R Portfolio Expanded

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Convenience Outlets Redesigned
• NR010 – IDC Along orientation for efficient wiring
NEW: IDC Cross Orientation to the Pin-Axis
• NR020 – The classic with improved temperature rating
• NR021 – Tamper Resistant

Schurter’s latest series of appliance outlets NR020 and NR021 combine classic features with new ones to meet increased fire protection and safety standards according to UL 498 Tamper Resistant, as well as facilitating compliance of receptacles used in Household and Commercial Furniture and Furniture Power Distribution Units (FPDUs), according to UL 962 and UL 962A. Higher temperature ratings and added configurations for series NR010 and NR020 respond to power demands facing Datacom infrastructures today.

Higher Temperature Rated Receptacles:
Packing density of equipment for data communication and storage continues to be regularly revolutionized with the surge of usage and functionality. Increasing ambient temperatures go hand in hand with these advancements, as demand trickles down to the smallest components to keep pace with emerging needs of the appliance manufacturers. The NR010 and NR020 series have an operating temperature range of -25 ˚C to 150 ˚C in response to the power needs of the Datacom industry. In addition, the NR010 with IDC terminals in Along- and Cross orientation to the Pin-Axis provides a version with an independent L terminal for the IDC-Along version. The neutral and ground terminals can still be bussed, while the line terminal can be used for maximum load according to UL rating 15 A, 125 V. It also extends the capability of adding functionality to each outlet individually.

Tamper Resistant Receptacles – TRR:
The concept of tamper-resistant receptacles is not a recent development; these devices have been a standard product offering of wiring device manufacturers for many years. The devices are designed to protect individuals (primarily children) from accidental shock resulting from the insertion of foreign objects. The US National Electric Code NEC® Article 406.12 states that all 15- and 20-ampere, 125- and 250-Volt nonlocking-type receptacles installed in dwelling units must be Tamper Resistant. In 2017, changes to the Code expanded on these requirements and locations. Previously, tamper-resistant receptacles were required in dwelling units, guest rooms and guest suites of hotels and motels, and in childcare facilities. The expanded code brings these safety devices to preschools and elementary education facilities; business offices, corridors, waiting rooms and the like in clinics, medical and dental offices and outpatient facilities; to assembly occupancies such as places of awaiting transportation, gymnasiums, skating rinks, auditoriums; and to dormitories. These expanded locations are areas that small children frequently occupy.

Tamper resistant receptacles feature a UL recognized safety shutter system that prevents the insertion of foreign objects into a receptacle. The safety shutters will only open upon simultaneous insertion of two plug blades. Additional tests including Probe Test, Impact Test, Mechanical Endurance Test and Dielectric Voltage Withstand Test for Tamper Resistant Receptacles TRR are included in UL 498. After passing all the above performance tests, tamper-resistant receptacles must have either the words “Tamper Resistant” or the letters “TR” (minimum 3/16 inches high) on the device as a clear indication that this is a tamper-resistant receptacle.

Schurters’s NR021 NEMA 5-15R Tamper Resistant series meets the expanded code requirements according to UL 498. Additionally, with the option of an added insulated wall between the L, N terminals, compliance with the Spill Test, outlined in UL 962 Sec. 62, is more cost effective and efficient for manufacturers of Household and Commercial Furniture and Furniture Power Distribution Units (FPDUs).


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Schurter MSS Switch

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Active, Electronic Switch for the Harshest Conditions
– Minimal installation depth
– Multi color side illumination
– Modern and fresh design

Compact, light and powerful – these are the requirements that are placed on a switch in a variety of applications. The installation depth often interferes with these requirements. This is not the case with the new MSS from Schurter, but it has even more to offer. Its fresh, lively design with multi-color side illumination and the new switch technology make it stand out from the crowd on the market.

The new MSS uses a technology that was previously unknown in the electronic switch world. The MSS is an active electronic switch that reacts to a minimal deformation of the actuating surface. The technology is extremely precise so that only a small amount of pressure is required.

Gentle Pressure Required
Even light pressure on the surface of the button triggers the switching signal. A mere touch – as with a capacitive switch – is not sufficient for this. For many areas of application, this is exactly what is required. This ensures that no switching function takes place in such a case. The design of this technology is particularly compact and thus enables the low installation depth of the MSS.

Tough Performer
The Schurter MSS switches offer the highest reliability. As they have no moving parts, their service life is more than 20 million switching cycles. Thanks to the enclosed design, the MSS achieves protection class IP67 and shock resistance rating IK06. These values predestine it for use in particularly demanding environments.

Modern and Fresh Design
The innovative multi color side illumination not only provides the user with visual feedback, but also makes the unit’s user interface “appear in a new light”.

But even with the non-illuminated versions, clear function assignments can be made through the various color versions available. Depending on the color choice of the switch, this gives the user interface a fresh, lively appearance.

Application Areas
The MSS switches are extremely versatile. Due to their technical features, they can be used in industrial installations as well as in devices for the consumer market.


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Schurter Series: FPBB RAIL Overcurrent and Overvoltage Protection Filter

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AC/DC Filter 2-Stage, DIN Rail Mounting, Overcurrent and Overvoltage Protection with 50 Variants

• Single-phase line filter in standard and medical versions
• 2-Stages filter
• Very high attenuation
• Broadband
• Fuseholder
• Thermal circuit breaker
• Surge protection

Unique Selling Proposition
• Slim filter for DIN-rail mounting or chassis mounting
• With fuse holder or circuit breaker for equipment
• With overvoltage protection
• Quick wiring with cage clamp terminals

• Protection against interference voltage from the mains
• Possible interferences generated in the equipment are strongly attenuated
• Especially designed for electric switch and control cabinets
• Suitable for use in equipment according to IEC/UL 62368-1
• Suitable for use in medical equipment according to IEC/UL 60601-1 (1 MOOP)
• Suitable for medical equipment intended for permanently connection to the mains

• Protection against interference voltage from the mains
• Especially designed for electric switch and control cabinets
• Suitable for medical equipment intended for permanently connection to the mains


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Schurter RTS Thermal Fuse – Improved Protection of Power Semiconductors

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RTS Tripping Temperature > 175°C

Improved Protection of Power Semiconductors
• Protects power semiconductors from thermal runaway
• SMD reflow solderable up to 260 °C
• Tested for usage up to 60 V
• Integrated current measuring sensor (shunt)

Schurter RTS thermal fuse, successfully launched in 2018, gets a new variant with a tripping temperature of >175°C. The RTS is a particularly compact overtemperature protection device for power semiconductors in SMD technology for highest demands.

RTS stands for Reflowable Thermal Switch. It was developed to protect highly integrated power semiconductors from overheating. Prior to mechanical activation, the new thermal fuse can be soldered on conventional reflow soldering machines with profiles up to 260 °C.

Protection Against Thermal Runaway
Thermal runaway refers to the overheating of a power semiconductor due to a self-reinforcing, heat-producing process. One of the reasons is the trend towards increasing power density and miniaturization of electronic circuits. The RTS protects these power semiconductors against thermal runaway. In such an event, the thermal fuse acts as a fail-safe device and reliably interrupts the circuit from as early as 175 °C and thus addresses the operating temperatures of common power semiconductors even better.

Minimal Footprint
The new overtemperature protection device comes in the same minimal dimensions and maximum breaking capacity despite its additional shunt functionality. On its small 6.6 x 8.8 mm footprint the RTS can handle operating currents of up to 130 A and rated voltages of up to 60 VDC.

Integrated Current Measuring Sensor (Shunt)
The shunt version has an integrated resistance with particularly low temperature dependence. This resistance, known as a shunt, enables precise current measurement and enables an additional – non-thermal – circuit protection, e.g. via a controller.


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Schurter CHS Capacitive Switch

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CHS Capacitive Switch that can be Installed in a Hidden Way

• Designed for use behind all non-conductive materials where openings in the user interface are not desired
• Provides the designer with a lot of freedom in the design of the user interface
• Highest reliability and service life
• RGB area illumination

Conventional switches inevitably require mounting holes in the user interface. Not so with the new Schurter CHS. CHS stands for “Capacitive Hidden Switch”. They can be mounted hidden behind the surface of non-conductive materials and are therefore invisible. This approach allows completely new possibilities for designing user interfaces that ideally meet the requirements of specific applications.

With capacitive switches, an electric field is built up on the user surface of the sensor. This technology is used to design a switch with the Schurter CHS that no longer requires direct sensor contact with the finger to trigger. The electrical field change required to trigger the switching process is still achieved even if a non-conductive material (glass, plastic, wood, or similar) is inserted between the sensor and the finger.

Use in Highly Sensitive Environments:
The new CHS is simply glued behind a wide variety of non-conductive materials and thus enables the construction of control elements for devices (medical technology, food industry) where hygiene plays a major role. Since there are no holes or slots created by the installation and the switch also has no moving parts, potentially harmful microbes have no possibility to “settle” on the user interface. This means that materials can be chosen that are particularly easy to

Sensitivity Adjustable:
The SCHURTER CHS is programmed as standard so that it does not trip in the event of field changes caused by liquids or minor wiping contact. This is only done by precise touching of the switching surface. However, adjustments can be made here at the customer’s request. This applies in particular to the thickness of the material behind which the switch is bonded. As standard, the sensitivity is designed for a glass thickness of up to 2 mm.

Designer’s Dream:
Switches are always a challenge for industrial designers. Their installation in the user interface often “disturbs” the appearance and structure of the same. The desire for an invisible switch is therefore great, because with it one no longer has to make compromises and is to a great extent free in the design.

Available in 3 Variants:
The new SCHURTER CHS is available in three different variants.
• CHS 1 comes without illumination and is with a mounting depth of less than 6 mm the optimal solution for space constrained designs.
• CHS 2 provides optical feedback. The RGB lighting can be used as a design element.
• CHS 3 is the potted version with lighting for demanding use in harsh environments.


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Schurter FMBD EP 3-Phase Mains Filter

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FMBD EP 3-Phase Mains Filter
• Compact design with minimal footprint
• Double-stage filter with high attenuation
• Variants for high voltage applications
• Wide temperature range

Schurter introduces the FMBD EP double-stage flagship filter family for 3 phases with neutral line systems. Thanks to its particularly compact dimensions and high performance, the new filter series is ideally suited for the tight space conditions in today’s machine and industrial plant construction. Versions with high nominal voltages make a wide field of applications possible.

Space is a scarce commodity in control cabinets for industrial applications in the 3-phase range. Schurter has addressed this problem with another completely new filter design, which is much more compact than previous generations. The new, almost cuboidal design makes optimum use of the space in the housing. Thanks to a double-stage filter and the use of the highest quality components (generously dimensioned film capacitors, chokes with highly permeable cores), the new development shines with exceptional broadband filter attenuation.

Suitable for High EMC Emissions
The double-stage filter family is therefore also appropriate for applications with particularly high EMC emissions, as is frequently encountered in industry. Typical applications include machines and systems for automatic production, motor drives and industrial plant machinery. These powerful filters are also the first choice for modern frequency inverters for motor control.

The FMBD EP series features screw terminals for absolutely safe wiring. Thanks to the metal flange, an excellent earth connection is ensured when screwed to the chassis.

Wide Temperature and Voltage Range
The standard types can be used over a wide temperature range from -40 °C to 100 °C. The filters are designed for currents from 16 A to 230 A at an ambient temperature of 50 °C. They have both ENEC and cURus approval for applications up to 520 VAC and ENEC and UR approval for applications up to 760 VAC.

Leakage Current
The standard versions are designed for industrial applications with leakage currents of <9.4 mA. Special variants with leakage currents of <2.5 mA are available for critical applications.

The completely redesigned FMBD EP models are the ideal replacement for all types of SCHURTER FMBD and FMBD NEO filters. They offer at least identical performance with significantly reduced dimensions and weight.


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