3RT1956-4EA4

Description

Overview

The Siemens 3RT1956-4EA4 Terminal Cover is an essential original accessory from the SIRIUS modular system, specifically designed to ensure safety and protection for high-current terminal connections. This cover is engineered for use with contactor assemblies in Size S6, providing reliable insulation and touch-safe protection for busbar terminals on complex switching configurations.

Benefit

• Enhanced Safety: Provides crucial insulation and touch protection, reducing the risk of accidental contact with live busbar connections.
• Reliable Fit: An authentic Siemens accessory (3RT1956-4EA4) ensures a perfect, secure fit for Size S6 contactors.
• System Integrity: Maintains the required protective clearance and creepage distances within reversing and star-delta assemblies.
• Compliance: Supports compliance with necessary electrical safety standards for industrial control systems.

Application

This terminal cover is a mandatory component in various industrial motor control circuits where Size S6 contactors are used, including:

1. Reversing Motor Circuits: Used in reversing contactor assemblies to safely protect the power busbar links.
2. Star-Delta (Wye-Delta) Starters: Applied to the contactor assemblies responsible for star-delta motor starting sequences.
3. General Busbar Protection: Ensures the safety of busbar connections on all Siemens SIRIUS 3RT1 contactors of size S6.

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