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Weidmüller: Surge Protection for Instrumentation & Control (I&C)

Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 1

November 10, 2026

Surge Protection for Instrumentation & Control (I&C) Loops: Compact & Space Saving Surge Protection in Terminal Block Design

Precise measurement, control and regulation signals are crucial to the reliability of the operation of industrial plants. Surge voltages can be introduced along the cable routes, interfering with signals and damaging sensitive interfaces. V-PROTEC Signal reliably protects measurement, control and regulation circuits against transient surge voltages. This compact and certified range is suitable for ambitious operating conditions such as exposed locations, sprawling facilities, harsh environments and confined spaces within control cabinets.

Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 2

The Benefits at a Glance

  • Flexible Application Options: The comprehensive portfolio covers protection for analogue and digital signals.
  • Compact Design: Compact and space saving surge protection in terminal block design.
  • Protection for Hazardous Areas: VSPC EX and VSSC EX modules for installation in intrinsically safe circuits.

Product Range for I&C Applications

VSPA Series – Innovative Signal Protection with SNAP IN Connection Technology

The VSPA Series reliably protects signal and data lines in measurement, control and regulation technology against surge impulses and safeguards sensors, actuators and controllers against failures. The innovative SNAP IN connection technology speeds up installation, while the integrated disconnecting lever enables fast and safe signal and insulation measurement.

Thanks to the ‘Light Beam’ function, up to 40 protection modules can be monitored centrally. The slim, vibration-resistant signal protection modules save space, are tested in accordance with the new IEC/EN 61643-21:2025 standard, and offer maximum planning reliability.

Your Advantages

  • Speeds up wiring with SNAP IN and saves valuable time
  • Monitor up to 40 arresters centrally with Light Beam
  • Simplifies planning and stock management with universal modules for analogue and digital signals
  • Planning certainty through testing in accordance with the new standard
  • The disconnection mechanism simplifies maintenance
Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 1

VSPC Series: Pluggable Protection for I&C Loops

The VARITECTOR SPC features a pluggable arrester which can be easily replaced or tested without any re-wiring. The V-TEST testing device enables an easy observance of maintenance intervals. The simple snap-on VSPC BASE allows for convenient mounting while simultaneously establishing a PE contact via the mounting rail.

Your Benefits

  • 2-part, pluggable and modular terminals
  • VSPC R Series, are monitored by VARITECTOR CONTROL
  • Locking clip, as accessory, fixes the pluggable arrester
  • VSPC Base available in direct grounding and indirect grounding versions
  • Quick identification through color coding of the voltage level on the pluggable protection module
Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 1

VSSC Series: Terminal Size for Protection for I&C Loops

Weidmüller’s VSSC Series broad product range for the I&C sector offers modular terminals with screw connection. These products are available in 6.2 mm and 12.4 mm width and are suitable for both binary and analogue signals.

Your Advantages

  • Direct PE contact by snapping onto the mounting rail
  • Suited for confined spaces in industrial and process automation
  • Convenient connection through a clamping range of 0.5 – 6 mm² with a Torx/slotted screw and a tightening torque of max. 0.8 Nm
  • Disconnectors allow easy separation of the signal paths. The 2.3 mm test plug from the meter can be easily inserted into the Torx/slotted screws
  • Simple marking of the connection terminals
Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 1

For more information on Weidmüller solutions HERE

Nov 10, 2026 - Weidmüller Surge Protection for Instrumentation & Control (I&C) 1

Source

View original LinkedIn post HERE

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