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Siemens 3VU1300-1MC00 Motor Protection Circuit Breaker w/ Aux Contacts

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ManufacturerSiemens

Part number3VU1300-1MC00

Type Circuit Breaker

Application Motor Protection

Max Current 25A

A-Release Range 0.16-0.24A

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Veteran-owned

CAGE: 9NK75

Motor overload protection Adjustable thermal trip Fixed magnetic trip Integrated 1NO+1NC auxiliary contacts Screw terminal connection

Product description

The Siemens 3VU1300-1MC00 is a specialized circuit breaker designed for motor protection, featuring integrated auxiliary contacts (1NO+1NC) and screw terminals. It protects motors up to 25A, with a finely tuned adjustable thermal trip range of 0.16 to 0.24A (A-release) and a fixed magnetic trip of 2.9A (N-release). This model is ideal for applications requiring precise low-current motor protection and signaling capabilities.

This breaker is particularly suited for smaller motors, control circuits, or applications where monitoring and signaling of circuit status are crucial. It can be used in various industrial settings, including automation, instrumentation, and control panels. The auxiliary contacts provide essential feedback for control systems.

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Technical specifications

Type	Circuit Breaker
Application	Motor Protection
Max Current	25A
A-Release Range	0.16-0.24A
N-Release	2.9A
Auxiliary Contacts	1NO+1NC
Termination	Screw Terminal

Common applications

Small motor protection

Control circuits

Automation panels

Instrumentation systems

Signaling applications

Compatible systems

Motor control systems PLC input modules Automation control panels

Also known as

Siemens 3VU13001MC00 3VU13 Series Motor Breaker with Aux

Replaces / compatible with

This circuit breaker with auxiliary contacts can replace other Siemens motor protection breakers or be used in new installations where auxiliary contacts are required. Verify trip settings for compatibility.

Technical note

Expert tip

The 1NO+1NC auxiliary contacts operate independently of the main power circuit and are rated for low voltage signaling duties, typically 24VDC or 120VAC.

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Frequently asked questions

What is the function of the auxiliary contacts on the Siemens 3VU1300-1MC00?

The Siemens 3VU1300-1MC00 includes one normally open (NO) and one normally closed (NC) auxiliary contact. These contacts can be wired into control circuits for remote indication of the breaker's status (e.g., tripped or on) or for interlocking purposes.