5ST3012

In Stock
$18.38
$18.38
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Overview

The Siemens 5ST3012 is an auxiliary switch designed for use with Siemens miniature circuit breakers (MCBs) models 5SL, 5SY, and 5SP. It features two normally closed (NC) contacts and is mountable on compatible circuit breakers, offering reliable status signaling for electrical control and monitoring systems.

Key Features

  • Auxiliary Switch Type: 2 NC (Normally Closed) contacts for control circuit integration.
  • Compatibility: Designed for Siemens MCBs 5SL, 5SY, 5SP, as well as incorporated switches 5TL1, RCBO 5SU1, and FI 5SV.
  • Mountable Design: Can be easily mounted on miniature circuit breakers without factory mounting.
  • Control Voltage: Suitable for AC/DC control voltages with a minimum rating of 12V.
  • Compact Size: Width of just 0.5 width units, ideal for space-efficient panel designs.
  • Durability: Designed for approximately 10,000 electrical operating cycles.

Technical Specs

Model 5ST3012
Product Type Auxiliary current switch
Number of Contacts 2 Normally Closed (NC)
Applicable Circuit Breakers 5SL, 5SY, 5SP series
Control Voltage AC/DC, minimum 12 V
Operating Frequency 50/60 Hz
Protection Class IP20
Electrical Endurance 10,000 operating cycles
Dimensions (WxHxD) 9 x 90 x 70 mm
Weight 67 g
Mounting Mountable (not factory mounted)

Applications / Use Case

The 5ST3012 auxiliary switch is used for signaling circuit breaker status in electrical control panels. It is ideal for industrial and commercial power distribution applications where remote monitoring of circuit breaker operation is required.

Siemens products come with trusted quality and industry certifications, ensuring reliable performance in various electrical installations.

5ST3012

$18.38

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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