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Siemens 3RV1021-0HA15 S0 Motor Protection Circuit Breaker

Siemens 3RV1021-0HA15 S0 motor protection circuit breaker.

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ManufacturerSiemens

Part number3RV1021-0HA15

Size S0

Trip Class CLASS 10

A-release 0.55-0.80 A

Short-circuit release 10 A

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Veteran-owned

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Motor protection Adjustable A-release CLASS 10 tripping Screw terminal connections Transverse auxiliary switch Standard switching capacity

Product description

The Siemens 3RV1021-0HA15 is a Size S0 motor protection circuit breaker designed for reliable motor circuit safeguarding. It offers an adjustable A-release range of 0.55 to 0.80 A and a short-circuit release of 10 A. This breaker features screw terminals for secure connections and includes a transverse auxiliary switch with 1 NO and 1 NC contact for status indication.

This circuit breaker is ideal for applications requiring robust motor overload and short-circuit protection, commonly found in industrial automation and machine building. Its CLASS 10 rating ensures optimal tripping performance for standard motor protection scenarios.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1021-0HA15. We specialize in providing essential automation components, including legacy and phased-out parts, to ensure your systems remain operational and efficient.

Technical specifications

Size	S0
Trip Class	CLASS 10
A-release	0.55-0.80 A
Short-circuit release	10 A
Terminals	Screw
Auxiliary Switch	1 NO + 1 NC
Switching Capacity	Standard
Phase-out	Yes

Common applications

Motor control

Industrial automation

Machine building

Control panels

Pump control

Fan control

Compatible systems

Motor protection applications

Also known as

Siemens 3RV1021-0HA15 SIRIUS 3RV1021-0HA15 Siemens S0 circuit breaker Motor protection relay

Replaces / compatible with

This phased-out product's preferred successor is the Siemens SIRIUS 3RV2 series, specifically the 3RV2011-0HA15.

Technical note

Expert tip

The transverse auxiliary switch is an integral part of the breaker and cannot be retrofitted; ensure its signaling capabilities meet your control system's needs.

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Frequently asked questions

What type of auxiliary contacts does the Siemens 3RV1021-0HA15 circuit breaker include?

The Siemens 3RV1021-0HA15 circuit breaker is equipped with a transverse auxiliary switch that provides one Normally Open (NO) and one Normally Closed (NC) contact. These are used for signaling purposes, such as remote indication of the breaker's status.