Siemens 3RT1966‑4EA3 Terminal Cover For Busbar Connections on 3RT1 / 3RB2 Size S10 & S12 Original Brand New

Overview

The Siemens 3RT1966‑4EA3 is a purpose‑built terminal cover designed to provide secure protection and neat cabling management for busbar connections on size S10 and S12 contactor relays. Specifically engineered for use with Siemens’ SIRIUS series contactors (3RT1) and overload relays (3RB2), this terminal cover helps maintain system integrity, ensures compliance with safety standards, and supports tidy industrial control cabinet design.

Key Functions & Features

• Provides a durable cover for busbar‑type terminal connections on S10/S12 frame size contactors/relays (3RT1/3RB2).

• Compact and lightweight design (net weight ~0.077 kg, packaging size ~151 × 77 × 51 mm) for easy installation and minimal footprint.

• Manufactured by Siemens in Germany; meets RoHS compliance and other industrial safety standards.

• Helps prevent accidental contact, supports safe access and maintenance in electrical control cabinets.

Benefit

• Enhanced Safety: By covering exposed busbar terminals, it reduces the risk of accidental contact and helps protect personnel and equipment.

• Improved Aesthetics & Organization: Contributes to a cleaner, more professional control‑cabinet layout with proper terminal covers.

• Compatibility: Designed specifically for 3RT1/3RB2 Size S10 & S12 systems, so installation aligns with existing Siemens SIRIUS modular components.

• Reliability: As an original Siemens accessory, you can depend on fit, function, and durability in industrial environments.

• Ease of Maintenance: Simplifies wiring inspections and system organisation by clearly covering the busbar connection area.

Application

Ideal for control panels, motor starter units and switchgear assemblies that incorporate Siemens SIRIUS contactors (3RT1) or overload relays (3RB2) of size frame S10 or S12. Use this terminal cover to safeguard busbar connections in manufacturing, automation, HVAC, and general industrial installations.

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