Siemens 3VA9277-0FK31 Door-Mounted Rotary Operator with Door Interlock, NEMA 1, 3R, 12, 4/4X Original Brand New

Overview

The Siemens 3VA9277-0FK31 is a premium rotary operating mechanism designed to provide external manual operation of internal circuit breakers. This accessory allows operators to safely switch breakers ON, OFF, or RESET without opening the enclosure door. Engineered for harsh environments, it meets multiple NEMA standards, ensuring protection against dust, water, and corrosion.

Key Benefit

• Enhanced Safety: Features a built-in door interlock mechanism that prevents the enclosure door from being opened when the breaker is in the "ON" position.

• Environmental Versatility: Rated for NEMA 1, 3R, 12, and 4/4X, making it suitable for both indoor industrial use and rugged outdoor applications.

• Operational Clarity: Clear "Door Opening Position" accessory ensures maintenance staff can identify the status of the breaker at a glance.

• Seamless Integration: Specifically engineered for a perfect fit with Siemens Sentron 3VA52, 3VA61, and 3VA62 series circuit breakers.

Function & Features

• Rotary Operation: Ergonomic handle design for smooth switching transitions.

• NEMA 4/4X Protection: Provides a watertight and corrosion-resistant seal, ideal for food processing or chemical environments.

• Interlock Override: Designed with safety protocols that comply with international industrial standards.

• Durability: Constructed with high-grade materials to withstand frequent mechanical cycling.

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