Product Description

🔹 Accessories for 3 Pole 3RT2 & 3RT1 Contactors, Box Terminal Blocks – 3RT1956-4G

Product Description

The Siemens 3RT1956-4G is a genuine SIRIUS box terminal block designed as an accessory for compatible 3RT1 power contactors and SIRIUS switching devices. It is intended for S6-size applications and supports main conductor connections up to approximately 120 mm². Siemens lists the product as an Active Product.

The 3RT1956-4G provides a secure connection solution for high-current power circuits in industrial motor-control panels, electrical control cabinets, motor starter systems, automation equipment, and machine-control applications. Siemens specifies the box terminal for 3RT1 and 3RB2 devices and also lists its use with 3RW505 soft starters.

The terminal block accommodates solid or stranded conductors up to 1 × 120 mm², with the same maximum cross-section specified for finely stranded conductors with suitable core-end processing. The Siemens datasheet also specifies an AWG range up to 2 × 3/0 for the main contacts.

Key Features

• Brand: Siemens

• Product Family: SIRIUS

• Model: 3RT1956-4G

• Product Type: Box Terminal Block

• Series: 3RT19

• Contactor Size: S6

• Compatible Equipment: 3RT1, 3RB2, 3RW505

• Maximum Conductor Size: Up to 120 mm²

• Solid/Stranded Conductors: 1 × 95 mm² to 1 × 120 mm²

• Finely Stranded Conductors: Up to 1 × 120 mm² with core-end processing

• AWG: Up to 2 × 3/0

• Application: High-current power connections

• Net Weight: Approx. 0.269 kg

• Product Status: Active Product

Applications

The Siemens 3RT1956-4G is suitable for:

• Siemens SIRIUS 3RT1 contactors

• 3RB2 motor protection applications

• 3RW505 soft starters

• Industrial motor-control panels

• Electrical control cabinets

• Motor starter systems

• Factory automation equipment

• Machine control panels

• OEM electrical systems

• High-current cable connection applications

Benefits

• Genuine Siemens SIRIUS accessory

• Supports conductors up to 120 mm²

• Designed for S6-size applications

• Provides secure high-current cable termination

• Suitable for solid and stranded conductors

• Supports finely stranded conductors with appropriate core-end processing

• Compatible with selected Siemens SIRIUS devices

• Useful for industrial control and motor-switching applications

• Suitable for maintenance and replacement requirements

Why Choose Siemens 3RT1956-4G?

The Siemens SIRIUS 3RT1956-4G is designed for high-current connection requirements in compatible S6-size SIRIUS equipment. Siemens specifies it as a box terminal for 3RT1 and 3RB2, with a maximum connection capability of approximately 120 mm². It is also listed as an accessory for the 3RW505 soft starter.

The component is particularly useful for panel builders, OEMs, maintenance teams, and electrical engineers working with larger conductor sizes in industrial motor-control and automation systems.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS power contactors, box terminal blocks, terminal covers, replacement contact sets, 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 3RT1956-4G?
It is a Siemens SIRIUS box terminal block for compatible 3RT1, 3RB2 and related SIRIUS equipment.

Q2. Which contactor size is it designed for?
The 3RT1956-4G is designed for S6-size applications.

Q3. What is the maximum conductor size?
The Siemens datasheet specifies a maximum main-conductor cross-section of 120 mm².

Q4. Which Siemens products are compatible with it?
It is specified for 3RT1 and 3RB2 equipment and is also used with 3RW505 soft starters.

Q5. Is 3RT1956-4G a complete contactor?
No. It is a box terminal block accessory, not a complete power contactor.

Q6. What is the weight of 3RT1956-4G?
The Siemens Industry Mall lists the net weight at approximately 0.269 kg.

Q7. Where is 3RT1956-4G used?
It is used for high-current power connections in compatible SIRIUS contactors, motor protection devices, soft starters, industrial control panels, and automation systems.

Q8. Where can I buy Siemens 3RT1956-4G in India?
SB Smart, Faridabad supplies Siemens SIRIUS terminal accessories, contactors, motor-control components, and industrial electrical products with GST billing, technical assistance, bulk-order support, and delivery across India.