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Siemens 7MJ2121-8AA 3VA Molded Case Circuit Breaker

Siemens 7MJ2121-8AA 3VA molded case circuit breaker

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ManufacturerSiemens

Part number7MJ2121-8AA

Rated Current 160A

Rated Voltage 400V AC

Poles 3

Series 3VA

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Molded case design 3-pole configuration High breaking capacity Reliable circuit protection 160A rating

Product description

The Siemens 7MJ2121-8AA is a 3-pole molded case circuit breaker from the 3VA series. It is designed for reliable circuit protection and features a rated current of 160A and a rated voltage of 400V AC. This breaker offers robust performance for demanding industrial applications.

This circuit breaker is suitable for a wide range of applications, including power distribution, motor protection, and as a main switch in control panels across various industries such as manufacturing, building automation, and utilities.

As a veteran-owned surplus parts distributor, Stanlo Automation provides access to high-quality industrial automation components like the Siemens 7MJ2121-8AA. We ensure reliable sourcing and timely delivery to keep your operations running smoothly.

Technical specifications

Rated Current	160A
Rated Voltage	400V AC
Poles	3
Series	3VA
Type	Molded Case Circuit Breaker

Common applications

Power distribution

Motor protection

Control panels

Industrial manufacturing

Building automation

Utilities

Compatible systems

General industrial power distribution systems

Also known as

Siemens 3VA160 7MJ21218AA

Technical note

Expert tip

Ensure proper derating and ambient temperature considerations when installing this 160A breaker in enclosed industrial environments.

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Frequently asked questions

What are the key specifications of the Siemens 7MJ2121-8AA circuit breaker?

The Siemens 7MJ2121-8AA is a 3-pole molded case circuit breaker rated for 160A and 400V AC. It is part of the Siemens 3VA series and offers reliable protection for industrial electrical systems.