Siemens

5ST3021

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Siemens

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Condition Warehouse Stock Price
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM71-5S Enquire now £8.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM85-5S Enquire now £9.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM94-5S Enquire now £11.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM92-5S Enquire now £11.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 15 2026
WM66-5S Enquire now £12.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM97-5S Enquire now £16.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: September 21 2026
WM44-5S 10+ in stock - Get Quote
New
Full 12 months warranty
Est. shipping: September 21 2026
WM44-5S 20+ in stock - Get Quote
Used
Full 12 months warranty
Est. shipping: September 21 2026
WM44-5S 20+ in stock - Get Quote
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Part Description:
Fault signal contact, 2 NO for miniature circuit breaker 5SL, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)
Part Information:
Part Number:
5ST3021
Manufacturer:
Availability:
50+ available from our partners
Conditions:
New Sealed, New and Used
Warranty:
Full 24 months warranty
Full 12 months warranty
Lead Time:
Need it Faster? Please Check With CJS
System ID Number:
6258490
Shipping:
We deliver worldwide
Weight:
0.06kg
Dimensions:
82mm x 92mm x 18mm
Also Known As:
5ST3021
Our Warehouse Description:

The 5ST3021 is a fault signal contact designed for miniature circuit breakers, featuring two normally open (NO) contacts. It includes test and reset buttons to enable testing of control circuits without tripping the breaker. The device is suitable for use with various circuit breaker models such as 5SL, 5SY, 5SP RCBO, and 5SV, and requires an appropriate handle coupler (e.g., 5ST3805-1) for installation. It is RoHS-compliant, measures approximately 9 x 90 x 70 mm, and is intended for control voltage types of AC/DC.

The above description is based on our office/warehouse notes. Some data may be inaccurate - refer to your part number.
Siemens:

Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.

***CJS Automation is NOT an authorised distributor of Siemens***

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