Siemens Industrial Controls 3RV2021-4DA10 Motor Protector
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Siemens Industrial Controls 3RV2021-4DA10 Motor Protector

Siemens Industrial Controls 3RV2021-4DA10 Motor Protector

The Siemens 3RV2021-4DA10 Motor Protector is a high-performance SIRIUS 3RV2 motor starter protector designed for the switching and protection of three-phase induction motors up to 22 kW at 690V. Built on the S0 frame size, this unit offers an adjustable thermal-overload trip range of 18 to 25 Amps and includes a fixed magnetic instantaneous release set at 325A for robust short circuit protection. Engineered for efficiency, the optimized bimetal trip units minimize inherent power loss, effectively reducing cabinet heat and energy expenditure. This Class 10 device features screw terminals and is phase-loss sensitive, ensuring reliable operation in demanding industrial environments. Designed for seamless integration, it mounts easily on 35mm DIN rail and is compatible with 3RT2 contactors to create a compact, fully functional motor feeder. The thermomagnetic trip mechanism and rotary actuator provide clear identification of ON, OFF, and TRIPPED states, enhancing diagnostic capabilities for technicians on-site.

Key Benefits
  • Multi-Functional Protection: Combines overload, short-circuit, and disconnect functions in a single, compact unit to save DIN rail space.
  • Thermal Efficiency: Optimized bimetal components reduce energy loss and heat dissipation, extending the lifecycle of adjacent cabinet components.
  • Flexible Compatibility: S0 frame size integrates directly with Siemens 3RT2 series contactors using modular link modules for fast load feeder assembly.
  • Reliable Disconnection: Features a lockable rotary handle for secure maintenance procedures and a visible trip indicator for rapid troubleshooting.
  • Global Standards: UL listed as a self-protected combination motor controller (Type E), suitable for use in IT systems and international power grids.
Common Questions

Is the 3RV2021-4DA10 suitable for phase-loss protection?
Yes, this motor starter protector is phase-loss sensitive. It will trip to protect the motor in the event of a single-phase failure, preventing winding damage caused by unbalanced loads.

What is the maximum interruption rating at 480V?
While the unit has a 100kA breaking capacity at 240V, it is rated for standard switching capacity at higher voltages; always refer to the specific UL 508 SCCR ratings when designing high-fault current panels.

Can I add auxiliary contacts to this circuit breaker?
Yes. This unit supports transverse or lateral auxiliary switches, as well as undervoltage releases or shunt trips, which can be snapped into place without tools.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$245.22
Siemens Industrial Controls 3RV2021-4DA10 Motor Protector
$245.22

Siemens Industrial Controls 3RV2021-4DA10 Motor Protector

The Siemens 3RV2021-4DA10 Motor Protector is a high-performance SIRIUS 3RV2 motor starter protector designed for the switching and protection of three-phase induction motors up to 22 kW at 690V. Built on the S0 frame size, this unit offers an adjustable thermal-overload trip range of 18 to 25 Amps and includes a fixed magnetic instantaneous release set at 325A for robust short circuit protection. Engineered for efficiency, the optimized bimetal trip units minimize inherent power loss, effectively reducing cabinet heat and energy expenditure. This Class 10 device features screw terminals and is phase-loss sensitive, ensuring reliable operation in demanding industrial environments. Designed for seamless integration, it mounts easily on 35mm DIN rail and is compatible with 3RT2 contactors to create a compact, fully functional motor feeder. The thermomagnetic trip mechanism and rotary actuator provide clear identification of ON, OFF, and TRIPPED states, enhancing diagnostic capabilities for technicians on-site.

Key Benefits
  • Multi-Functional Protection: Combines overload, short-circuit, and disconnect functions in a single, compact unit to save DIN rail space.
  • Thermal Efficiency: Optimized bimetal components reduce energy loss and heat dissipation, extending the lifecycle of adjacent cabinet components.
  • Flexible Compatibility: S0 frame size integrates directly with Siemens 3RT2 series contactors using modular link modules for fast load feeder assembly.
  • Reliable Disconnection: Features a lockable rotary handle for secure maintenance procedures and a visible trip indicator for rapid troubleshooting.
  • Global Standards: UL listed as a self-protected combination motor controller (Type E), suitable for use in IT systems and international power grids.
Common Questions

Is the 3RV2021-4DA10 suitable for phase-loss protection?
Yes, this motor starter protector is phase-loss sensitive. It will trip to protect the motor in the event of a single-phase failure, preventing winding damage caused by unbalanced loads.

What is the maximum interruption rating at 480V?
While the unit has a 100kA breaking capacity at 240V, it is rated for standard switching capacity at higher voltages; always refer to the specific UL 508 SCCR ratings when designing high-fault current panels.

Can I add auxiliary contacts to this circuit breaker?
Yes. This unit supports transverse or lateral auxiliary switches, as well as undervoltage releases or shunt trips, which can be snapped into place without tools.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

The Siemens 3RV2021-4DA10 Motor Protector is a high-performance SIRIUS 3RV2 motor starter protector designed for the switching and protection of three-phase induction motors up to 22 kW at 690V. Built on the S0 frame size, this unit offers an adjustable thermal-overload trip range of 18 to 25 Amps and includes a fixed magnetic instantaneous release set at 325A for robust short circuit protection. Engineered for efficiency, the optimized bimetal trip units minimize inherent power loss, effectively reducing cabinet heat and energy expenditure. This Class 10 device features screw terminals and is phase-loss sensitive, ensuring reliable operation in demanding industrial environments. Designed for seamless integration, it mounts easily on 35mm DIN rail and is compatible with 3RT2 contactors to create a compact, fully functional motor feeder. The thermomagnetic trip mechanism and rotary actuator provide clear identification of ON, OFF, and TRIPPED states, enhancing diagnostic capabilities for technicians on-site.

Key Benefits
  • Multi-Functional Protection: Combines overload, short-circuit, and disconnect functions in a single, compact unit to save DIN rail space.
  • Thermal Efficiency: Optimized bimetal components reduce energy loss and heat dissipation, extending the lifecycle of adjacent cabinet components.
  • Flexible Compatibility: S0 frame size integrates directly with Siemens 3RT2 series contactors using modular link modules for fast load feeder assembly.
  • Reliable Disconnection: Features a lockable rotary handle for secure maintenance procedures and a visible trip indicator for rapid troubleshooting.
  • Global Standards: UL listed as a self-protected combination motor controller (Type E), suitable for use in IT systems and international power grids.
Common Questions

Is the 3RV2021-4DA10 suitable for phase-loss protection?
Yes, this motor starter protector is phase-loss sensitive. It will trip to protect the motor in the event of a single-phase failure, preventing winding damage caused by unbalanced loads.

What is the maximum interruption rating at 480V?
While the unit has a 100kA breaking capacity at 240V, it is rated for standard switching capacity at higher voltages; always refer to the specific UL 508 SCCR ratings when designing high-fault current panels.

Can I add auxiliary contacts to this circuit breaker?
Yes. This unit supports transverse or lateral auxiliary switches, as well as undervoltage releases or shunt trips, which can be snapped into place without tools.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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