Product Description

🔹 Accessories for 3 Pole 3RT2 & 3RT1 Contactors, Terminal Covers for Box Terminals – 3RT1966-4EA1

Product Description

The Siemens 3RT1966-4EA1 is a genuine SIRIUS terminal cover designed to provide insulation and touch protection for compatible box terminal and busbar connections used with Siemens SIRIUS contactors and switching devices. It is intended for S10 and S12 size applications and has a 120 mm length. Siemens specifies this accessory for compatible 3RT1, 3RB2, 3RW4 and 3RW507 devices.

The terminal cover helps maintain the required voltage clearances and provides protection against accidental contact with energized terminal connections. Siemens specifies that 2 units are required per contactor for the intended protection arrangement.

The 3RT1966-4EA1 is suitable for industrial motor-control panels, electrical control cabinets, machine automation systems, motor starters, and maintenance applications where additional protection is required around high-current terminal connections.

Key Features

• Brand: Siemens

• Product Family: SIRIUS

• Model: 3RT1966-4EA1

• Product Type: Terminal Cover

• Product Category: Terminal Covers

• Compatible Size: S10 / S12

• Length: 120 mm

• Suitable For: Box terminal and busbar connections

• Compatible Series: 3RT1, 3RB2, 3RW4, 3RW507

• Protection Function: Touch protection and voltage-clearance maintenance

• Required Quantity: 2 units per contactor

• Product Type Designation: 3RT19

• Weight: Approx. 0.127 kg

Applications

The Siemens 3RT1966-4EA1 is suitable for:

• SIRIUS contactor terminal protection

• 3RT1 contactor installations

• S10 and S12-size contactors

• Box terminal connections

• Busbar connection protection

• Industrial motor-control panels

• Electrical control cabinets

• Motor starter systems

• Factory automation equipment

• Machine control panels

• Electrical maintenance and replacement applications

Benefits

• Genuine Siemens SIRIUS accessory

• Provides touch protection around terminal connections

• Helps maintain required voltage clearances

• 120 mm terminal cover design

• Suitable for S10 and S12-size applications

• Compatible with selected Siemens SIRIUS equipment

• Useful for box terminal and busbar connection protection

• Supports safer electrical panel installations

• Suitable for industrial maintenance and retrofit applications

Why Choose Siemens 3RT1966-4EA1?

The Siemens SIRIUS 3RT1966-4EA1 provides an effective protective solution for terminal connections on compatible S10/S12-size SIRIUS equipment. Siemens specifies it as a terminal cover for busbar connections or box terminal frames and identifies its purpose as maintaining voltage clearances and providing touch protection.

With a 120 mm length, the cover is designed for compatible high-current switching assemblies and can be used with specified Siemens equipment including 3RT1, 3RB2, 3RW4 and 3RW507. Siemens specifies two covers per contactor for the intended installation.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS contactors, terminal covers, box terminal blocks, replacement contacts, contactor accessories, thermal overload relays, motor protection devices, soft starters, MCCBs, MCBs, and industrial automation products with GST billing, technical assistance, bulk-order support, secure packaging, and delivery across India.

Frequently Asked Questions

Q1. What is Siemens 3RT1966-4EA1?
It is a Siemens SIRIUS terminal cover for compatible box terminal and busbar connections.

Q2. What is the length of the terminal cover?
The 3RT1966-4EA1 has a 120 mm length.

Q3. Which contactor sizes is it suitable for?
It is designed for S10 and S12-size applications.

Q4. Which Siemens products are compatible with it?
Siemens specifies the terminal cover for compatible 3RT1, 3RB2, 3RW4 and 3RW507 devices.

Q5. What is the purpose of the terminal cover?
It provides touch protection and helps maintain the required voltage clearances around terminal connections.

Q6. How many terminal covers are required per contactor?
Siemens specifies 2 units per contactor for the intended installation.

Q7. Is 3RT1966-4EA1 a complete contactor?
No. It is a terminal-cover accessory, not a power contactor.

Q8. Where can I buy Siemens 3RT1966-4EA1 in India?
SB Smart supplies Siemens SIRIUS terminal covers, contactor accessories, power contactors, and industrial electrical products with GST billing, technical assistance, bulk-order support, and delivery across India.