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Siemens 3RV2021-4PA15: S0 Motor Protection Circuit Breaker, Class 10

Siemens 3RV2021-4PA15: Size S0 Motor Protection Circuit Breaker, Class 10

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ManufacturerSiemens
Part number3RV2021-4PA15
Size S0
Class 10
A-release 30-36 A
N-release 432 A
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Motor protection Adjustable overload protection Short-circuit protection Standard switching capacity Integrated auxiliary contacts

The Siemens 3RV2021-4PA15 is a Size S0 motor protection circuit breaker designed for reliable motor protection. It features a Class 10 thermal release with an adjustable range of 30-36A and a short-circuit release (N-release) of 432A. This breaker is equipped with screw terminals for secure connections and includes transverse auxiliary switches with 1 Normally Open (NO) and 1 Normally Closed (NC) contact, providing additional signaling or control capabilities. It is built for standard switching capacity and is part of the SIRIUS 3RV2 series.

This motor protection circuit breaker is suitable for various industrial applications, including motor control centers, pump stations, and conveyor systems. Its robust design ensures protection against overloads and short circuits, safeguarding machinery and ensuring operational continuity in demanding environments. The SIRIUS 3RV2 series is known for its compact size and high performance, making it a reliable choice for critical applications.

Source your Siemens 3RV2021-4PA15 from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer competitive pricing and fast shipping to keep your operations running smoothly. Our commitment to quality and customer service ensures you receive reliable components for your automation needs.

SizeS0
Class10
A-release30-36 A
N-release432 A
TerminalsScrew
Auxiliary Switches1 NO+1 NC
Switching CapacityStandard
Motor control centers
Pump stations
Conveyor systems
Industrial machinery
HVAC systems
Compatible with Siemens SIRIUS 3RV2 series control and signaling devices.
Siemens S0 Motor Protector 3RV2021-4PA15 Circuit Breaker Siemens SIRIUS Motor Protection
Compatible with Siemens SIRIUS 3RV2 accessories and related components.
Expert tip
Ensure proper wiring of the auxiliary contacts (1 NO/1NC) according to the control circuit requirements for reliable signaling or interlocking functions.
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What are the main protection features of the Siemens 3RV2021-4PA15?
The Siemens 3RV2021-4PA15 offers both overload protection, with an adjustable thermal release from 30-36A and Class 10 rating, and short-circuit protection with a fixed N-release of 432A. It also includes standard switching capacity.