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Siemens 3RV2021-1AA25 S0 Motor Protection Circuit Breaker with Aux

Siemens 3RV2021-1AA25 S0 motor protection circuit breaker with aux switches.

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ManufacturerSiemens
Part number3RV2021-1AA25
Part Number 3RV2021-1AA25
Manufacturer Siemens
Size S0
Protection Motor
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Motor Protection Adjustable Thermal Overload Class 10 Rating Spring-type Terminals Integrated Aux Switches (1NO+1NC) Size S0

The Siemens 3RV2021-1AA25 is a Size S0 motor protection circuit breaker with Class 10 rating. It features an adjustable thermal overload trip of 1.1 to 1.6 Amps and a 21 Amp fixed magnetic trip, utilizing convenient spring-type terminals. This model also includes transverse auxiliary switches: one normally open (NO) and one normally closed (NC).

This breaker is ideal for installations where both motor protection and signaling are required, and where rapid connections are desired. The integrated auxiliary contacts are perfect for status feedback, interlocking, or alarm functions in control systems.

Stanlo Automation, your veteran-owned source for surplus industrial parts, provides the Siemens 3RV2021-1AA25. We are committed to offering quality components with reliable service, helping you maintain operational efficiency.

Part Number3RV2021-1AA25
ManufacturerSiemens
SizeS0
ProtectionMotor
Class10
Adjustable Thermal Trip1.1-1.6A
Fixed Magnetic Trip21A
TerminalsSpring-type
Aux Switches1 NO + 1 NC
Motor Control
Automation Panels
Industrial Machinery
Signaling Systems
Fast Installation
Machine Building
Siemens Sirius 3RV2 Series devices
Siemens 3RV2021-1AA25
This breaker serves as a motor protection solution with quick-connect terminals and auxiliary contacts, suitable for various Siemens automation setups.
Expert tip
The spring-type terminals are designed for solid or finely stranded conductors. Ensure proper conductor preparation for optimal connection security.
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What auxiliary functions does the 3RV2021-1AA25 offer?
The Siemens 3RV2021-1AA25 includes one normally open (NO) and one normally closed (NC) auxiliary contact. These can be used for remote signaling, interlocking with other devices, or providing status feedback to a control system.