Siemens 20 → 25 A Sirius Innovation Motor Protection Circuit Breaker, 20 → 690 V
- RS Stock No.:
- 706-1863
- Mfr. Part No.:
- 3RV2021-4DA10
- Manufacturer:
- Siemens
View all Motor Protection
On back order for despatch 14/04/2023, delivery within 3 working days
Price Each
Was HK$1,482.50
You pay
HK$1,294.38
units | Per unit |
1 + | HK$1,294.38 |
Alternative
This product is not currently available. Here is our alternative recommendation.

- RS Stock No.:
- 706-1863
- Mfr. Part No.:
- 3RV2021-4DA10
- Manufacturer:
- Siemens
- COO (Country of Origin):
- DE
Product overview and Technical data sheets
Legislation and Compliance
- COO (Country of Origin):
- DE
Product Details
Siemens Motor Protection Circuit Breaker, 3 Poles, 25A Current Rating - SIRIUS Innovation Series - 3RV2021-4DA10
Quickly shut down your motor in the event of a fault with this MPCB from Siemens. It uses thermal and magnetic breaking systems to help prevent electrical damage to your machinery caused by short circuits and overloads. A robust mechanical lifespan of 100,000 operating cycles means it's a long-lasting choice. Thanks to its adjustable input current between 18 and 25A, the device is suitable for use in heavy-duty applications. MPCBs like this are commonly used to protect printing machines and manufacturing equipment.
Features & Benefits
Short-circuit breaking capacity of up to 100kA to withstand powerful surges
Wide operating temperature range between -20°C and +60°C for use in demanding environments
Compact dimensions of 97 (H) x 45 (W) x 97mm (D) to add minimal bulk to your setup
Operating frequency of 15 cycles per hour to support continuous protection
Wide operating temperature range between -20°C and +60°C for use in demanding environments
Compact dimensions of 97 (H) x 45 (W) x 97mm (D) to add minimal bulk to your setup
Operating frequency of 15 cycles per hour to support continuous protection
How do I mount this MPCB?
This MPCB screws and snaps into place on standard DIN rails, making it easy to mount in your existing setup. For flexible installation, you can mount it in any position.
Specifications
Attribute | Value |
Current Rating | 20 → 25 A |
Range | Sirius Innovation |
Motor Protection Component | Circuit Breaker |
Supply Voltage | 20 → 690 V |
Series | 3RV2 |
Overall Length | 97mm |
Overall Width | 45mm |
Overall Depth | 91mm |
Minimum Operating Temperature | -20°C |
Maximum Operating Temperature | +60°C |
Voltage Rating | 690 V |
Terminal Type | Screw |
Number of Poles | 3P |
Breaking Capacity | 4 kA |
Control Voltage | 20 → 25 A |
Size | S0 |
On back order for despatch 14/04/2023, delivery within 3 working days
Price Each
Was HK$1,482.50
You pay
HK$1,294.38
units | Per unit |
1 + | HK$1,294.38 |
Alternative
This product is not currently available. Here is our alternative recommendation.
