3RA2921-2AA00

The 3RA2921-2AA00 is a Siemens SIRIUS series spring terminal block module, providing both electrical connection and mechanical locking functions. It combines the 3RV2.21 motor protection circuit breaker and the 3RT2.2 contactor into a complete starter unit, supporting both AC and DC operating voltages and suitable for 3-pole circuit configurations. Kenxin Motors provides original factory stock and selection advice.

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Siemens 3RA2921-2AA00 Spring Terminal Connection Module

Product Positioning

The 3RA2921-2AA00 is a spring terminal block module for the Siemens SIRIUS modular system, designed specifically for use with the 3RV2.21 circuit breaker and the 3RT2.2 contactor. The module provides both electrical connection and mechanical fixation, eliminating the need for additional wiring, and offering quick installation and stable contact. Kenxin Motors is an authorized Siemens distributor, providing genuine Siemens products and technical support.

Core Product Advantages and Features

Electrical and mechanical dual-function

The electrical connection and mechanical fixing between the circuit breaker and the contactor are completed in one step, eliminating the need for additional wiring procedures.

Spring terminal design

The use of spring terminals ensures quick wiring and prevents loosening during long-term use, reducing maintenance frequency.

Suitable for both AC and DC

Supports both AC and DC operating voltages, flexibly adaptable to different control circuit requirements.

Designed specifically for 3RV2.21 and 3RT2.2

Precisely matches the dimensions of circuit breakers and contactors, ensuring a smooth assembly without the need for additional adjustments.

Original factory goods

Kenxin Motors is an authorized distributor of Siemens products, guaranteeing that all products are genuine and original.

project	Specification
Applicable circuit breakers	3RV2.21 series
Applicable contactors	3RT2.2 series
Terminal type	Spring terminals
Extreme number	3 poles
Operating voltage	Suitable for both AC and DC.
Net weight (approx.)	0.1 kg
Place of origin	Hungary

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