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Siemens 3VL7712-1SB36-0AA0 VL1250N Circuit Breaker

Siemens 3VL7712-1SB36-0AA0 VL1250N circuit breaker

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ManufacturerSiemens

Part number3VL7712-1SB36-0AA0

Series VL1250N

Breaking Capacity Icu=55kA, 415V AC

Poles 3

Trip Unit ETU10, LI

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ETU10 LI Trip Unit Adjustable Overload Protection 1250A Rated Current 55kA Breaking Capacity Line Protection

Product description

The Siemens 3VL7712-1SB36-0AA0 is a VL1250N circuit breaker featuring standard breaking capacity (Icu=55kA at 415V AC). This 3-pole breaker is equipped with an ETU10 trip unit for line protection, offering LI (Long-time, Instantaneous) functionality. It has a rated current (In) of 1250A, with adjustable overload protection (IR) ranging from 500A to 1250A, and short-circuit protection (II) from 1.25 to 10xIN.

This circuit breaker is suitable for general power distribution and overload protection in industrial and commercial applications. The LI trip unit provides essential protection against sustained overloads and short circuits, making it a versatile component for various systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VL7712-1SB36-0AA0. We ensure that you receive quality components for your automation needs, minimizing downtime.

Technical specifications

Series	VL1250N
Breaking Capacity	Icu=55kA, 415V AC
Poles	3
Trip Unit	ETU10, LI
In	1250A
IR	500-1250A
II	1.25-10 x IN
Application	Line Protection

Common applications

Industrial Power Distribution

Commercial Electrical Systems

Machine Protection

Control Panels

Manufacturing

Compatible systems

Siemens VL Series MCCBs

Also known as

Siemens VL1250N LI 3VL7712-1SB36-0AA0 Siemens

Replaces / compatible with

This part is a spare part for replacement purposes. It is designed for line protection within the Siemens VL1250N series.

Technical note

Expert tip

The LI trip unit on this breaker offers protection against prolonged overloads and instantaneous short circuits, suitable for many line protection scenarios.

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Frequently asked questions

What are the adjustable settings for the Siemens 3VL7712-1SB36-0AA0 circuit breaker's trip unit?

The Siemens 3VL7712-1SB36-0AA0 features an ETU10 LI trip unit. It has a rated current (In) of 1250A, adjustable overload protection (IR) from 500A to 1250A, and short-circuit protection (II) from 1.25 to 10 times the rated current.