Siemens 3RV1021-4AA10 Motor Protection Circuit Breaker
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See full specsSiemens 3RV1021-4AA10 - 16A 3 Pole Motor Protection Circuit Breaker
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Description
Part of the SIRIUS 3RV1 series, this 16A motor protection circuit breaker delivers reliable overload and short-circuit defense for industrial control applications. It features an adjustable 11-16A thermal trip and fixed magnetic protection. Designed for DIN-rail mounting, the unit coordinates with Siemens motor control systems. It is being replaced by the newer 3RV2021-4AA10 model. Phase loss sensitivity and a rotary handle ensure comprehensive motor protection while minimizing downtime.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3RV1021-4AA10 |
| Series | 3RV1 |
| Amperage | 16A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 50kA @ 480VAC |
| Amperage Range | 11-16A |
|---|
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | SIRIUS Motor Control Systems, Industrial Control Panels |
| Wire Gauge | 18-8 AWG |
| Max Wire | 8 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Busbar, Rotary Handle, Terminal Shields |
|---|---|
| Standards | CSA C22.2 No. 14, IEC 60947-2, IEC 60947-4-1, UL 508 |
| Approval | ABS, ATEX, CCC, CE, CSA, DNV, EAC, GL, IECEx, LRS, RINA, UL |
| Temp Rating | -20C to 60C |
| Construction Features | Phase Loss Sensitivity, Current Limiting |
Product FAQs
7 answersWhat is the adjustable thermal setting range for the 3RV1021-4AA10 motor protector?
The thermal overload release can be adjusted from 11.0 to 16.0 amps using the front rotary dial to match the full-load current of the connected motor.
What is the fixed magnetic trip current for this circuit breaker?
The instantaneous short-circuit release is fixed at 208 amps, which is 13 times the maximum rated current.
What trip class does the 3RV1021-4AA10 fall under?
This motor protection circuit breaker features a Class 10 trip characteristic, making it suitable for standard motor starting applications.
What frame size is the Siemens 3RV1021-4AA10?
This manual combination starter is built on the Siemens SIRIUS Size S0 frame.
Is there a direct replacement or successor for the 3RV1021-4AA10?
Yes, Siemens has transitioned the 3RV1 series to the newer 3RV2 series. The preferred successor for this model is part number 3RV2021-4AA10.
How is the 3RV1021-4AA10 mounted in a control panel?
While it is primarily designed for standard 35mm DIN rail mounting, it can also be screw mounted directly to the back panel of an industrial control enclosure.
Can this motor starter protector be used in UL and CSA applications?
Yes, while it has an IEC rating up to 690V AC, it is also approved for UL and CSA applications with a maximum voltage of 600V AC.
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