3VL6780-1TB46-0AA0 Siemens Circuit Breaker VL800N MCCB

Description

The Siemens 3VL6780-1TB46-0AA0 is a VL800N series molded case circuit breaker (MCCB) from the SENTRON family, designed for reliable line protection in low-voltage power distribution systems. It features a rated current of 800 A, a breaking capacity of 55 kA at 415 V AC, and comes with a 4-pole configuration for balanced and safe load distribution.

Equipped with the ETU10 electronic trip unit (LI type), the breaker provides both overload (long-time) and short-circuit (instantaneous) protection. It supports an adjustable current range of 320 A to 800 A, with short-circuit protection up to 8× In, ensuring flexible use in industrial, commercial, and infrastructure installations.

Built for durability, the 3VL6780-1TB46-0AA0 operates without auxiliary releases or alarm switches, making it ideal for standard line protection where simplicity and dependability are key. It maintains full compliance with Siemens quality and safety standards, ensuring long-term, stable performance in power panels, switchboards, and control centers.

Key Technical Features:

• Series / Family: Siemens SENTRON VL800N

• Rated current (In): 800 A

• Adjustable current range (Ir): 320 – 800 A

• Breaking capacity (Icu): 55 kA at 415 V AC

• Trip unit: ETU10 (LI – overload & short-circuit protection)

• Poles: 4

• Protection class: IP20

• Weight: 21.86 kg

• Mounting: Fixed

• Applications: Main power feeders, switchboards, distribution panels, and industrial machinery protection