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Official distributor of Werma electrical components, including Signal towers, optical signal devices, optical-audible signal devices, audible devices and more
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E. Preston Electrical

Werma Official Distributor

Werma Signaltechnik Electrical Components

Signal towers, optical signal devices, optical-audible signal devices, audible devices, blinking/rotating/mirror beacons, LED/buzzer combinations.

About Werma Signaltechnik

Werma Signaltechnik has been manufacturing optical and audible signal devices for over 60 years. Their huge range includes over 3,500 different products designed to inform or alarm people, machines and computers. The German company is present in all major European countries, the USA and China, with their UK base in Wellingborough.

Buy Werma electrical products from E. Preston

E. Preston Electrical Ltd is an official distributor for Werma electrical products, we have thousands of components available.
If you have a specific question, please
to speak to a representative.

Featured Products

Manufacturers

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June 29, 2026

Schurter Series: FMAD NEO Power Line Filter

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FMAD NEO, 1-Stage Filter for 3-Phase Systems

Schurter FMAD NEO

The FMAD NEO is a highly compact, single-stage EMC/EMI power line filter designed for 3-phase systems with a neutral line. Manufactured by Schurter, it provides high-efficiency noise suppression for industrial machinery and electronic equipment where control cabinet space is strictly limited.

Description:

  • Terminals for three phases, neutral conductor and ground
  • 1 stage
  • Very high attenuation
  • Industrial or low leakage current versions

Key Features

  • Compact Footprint: Features a nearly cubed shape, making it ideal for the space constraints of modern 3-phase control cabinets.
  • High Attenuation: Delivers excellent noise suppression relative to its small size and weight.
  • Machine Safety Compliant: Certain variants comply with the IEC 60204-1 machine safety standard, featuring quick capacitor discharge times (residual voltage < 60 V within 1–2 seconds) and insulation resistance of at least 1 MΩ.
  • Wide Temperature Range: Operates effectively in harsh climatic conditions, ranging from -40°C to +100°C.

Applications:

  • Voltage rating 520 VAC for world wide acceptance
  • Protection against interference voltage from the mains
  • Especially designed for industrial applications such as: Frequency Converters, Stepper Motor Drives, UPS-Systems, Inverters
  • Variants Machine Safety suitable for machine applications according to IEC 60204-1
  • Suitable for use in equipment according to IEC/UL 62368-1

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

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June 16, 2026

Sensata / Crydom ASO Series (PCB Mount AC Output) Solid State Relays

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Mini SIP Style SSRs with ratings up to 2 Amps at 12-280 VAC

Crydom ASO

The ASO Series is a family of PCB Mount
Mini SIP Solid State Relays with ratings
up to 2 Amps at 12-280 VAC.

Features:

  • Back-to-back SCR output
  • 4-10 VDC control
  • Zero voltage (resistive loads) or instantaneous (inductive loads) turn-on output

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

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