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Siemens 3VL6780-1SE36-0AA0 VL800N Line Protection Circuit Breaker

Siemens 3VL6780-1SE36-0AA0 VL800N line protection circuit breaker

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ManufacturerSiemens

Part number3VL6780-1SE36-0AA0

Series VL800N

Breaking Capacity Icu=55kA, 415V AC

Poles 3

Trip Unit ETU20, LSI

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ETU20 LSI Trip Unit Adjustable Overload Protection Adjustable Short-Circuit Protection 55kA Breaking Capacity Line Protection

Product description

The Siemens 3VL6780-1SE36-0AA0 is a VL800N circuit breaker designed for line protection. It offers a standard breaking capacity of 55kA at 415V AC and is a 3-pole unit. This breaker is equipped with an ETU20 trip unit featuring LSI (Long-time, Short-time, Instantaneous) protection, with an adjustable rated current (In) of 800A. Overload protection is managed by an adjustable IR from 320A to 800A, and short-circuit protection is set with ISD from 1.5 to 7xIR and II at 8xIN.

This circuit breaker is suited for applications requiring precise overload and short-circuit protection for lines in industrial power systems. Its LSI trip unit allows for fine-tuning of protection settings to match specific load requirements, preventing nuisance tripping while ensuring safety.

Stanlo Automation, your veteran-owned source for surplus automation parts, offers the Siemens 3VL6780-1SE36-0AA0. We provide reliable, cost-effective solutions for your replacement part needs.

Technical specifications

Series	VL800N
Breaking Capacity	Icu=55kA, 415V AC
Poles	3
Trip Unit	ETU20, LSI
In	800A
IR	320-800A
ISD	1.5-7 x IR
II	8 x IN
Application	Line Protection

Common applications

Industrial Power Systems

Motor Circuits

Distribution Boards

Electrical Protection

Manufacturing Lines

Compatible systems

Siemens VL Series MCCBs

Also known as

Siemens VL800N LSI 3VL6780-1SE36-0AA0 Siemens

Replaces / compatible with

This part is a spare part for replacement purposes. It is designed for line protection applications within the Siemens VL800N series.

Technical note

Expert tip

The LSI (Long-time, Short-time, Instantaneous) trip unit allows for configurable protection against overloads, short circuits with a time delay, and instantaneous short circuits.

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Frequently asked questions

What type of trip unit does the Siemens 3VL6780-1SE36-0AA0 circuit breaker use?

The Siemens 3VL6780-1SE36-0AA0 circuit breaker uses an ETU20 trip unit with LSI (Long-time, Short-time, Instantaneous) functionality. This allows for adjustable settings for overload and short-circuit protection.