Siemens SIRIUS 3RF31 Series Solid State Relay, 25 A Load, Screw Fixing Mount, 230 V Load, 30V dc Control
- RS Stock No.:
- 890-792
- Mfr. Part No.:
- 3RF3125-1AA42
- Brand:
- Siemens
Subtotal (1 unit)*
£46.47
(exc. VAT)
£55.76
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 27 October 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £46.47 |
*price indicative
- RS Stock No.:
- 890-792
- Mfr. Part No.:
- 3RF3125-1AA42
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Maximum Load Current | 25A | |
| Product Type | Solid State Relay | |
| Mount Type | Screw Fixing | |
| Maximum Load Voltage | 230V | |
| Minimum Load Voltage | 24V | |
| Maximum Control Voltage | 30V dc | |
| Minimum Control Voltage | 4V | |
| Series | SIRIUS 3RF31 | |
| Terminal Type | Screw Terminal | |
| IP Rating | IP20 | |
| Contact Configuration | 1 NO | |
| Switching Function | Zero Point | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | 60°C | |
| Height | 85mm | |
| Standards/Approvals | UR | |
| Length | 48mm | |
| Width | 22.5mm | |
| Output Type | Thyristor | |
| Off State Leakage Current | 10mA | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Maximum Load Current 25A | ||
Product Type Solid State Relay | ||
Mount Type Screw Fixing | ||
Maximum Load Voltage 230V | ||
Minimum Load Voltage 24V | ||
Maximum Control Voltage 30V dc | ||
Minimum Control Voltage 4V | ||
Series SIRIUS 3RF31 | ||
Terminal Type Screw Terminal | ||
IP Rating IP20 | ||
Contact Configuration 1 NO | ||
Switching Function Zero Point | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature 60°C | ||
Height 85mm | ||
Standards/Approvals UR | ||
Length 48mm | ||
Width 22.5mm | ||
Output Type Thyristor | ||
Off State Leakage Current 10mA | ||
- COO (Country of Origin):
- DE
The Siemens SIRIUS semiconductor relay designed for efficient zero-point switching, providing reliable control in various electrical applications while maintaining Compact dimensions suitable for heat sinks.
Operating voltage range from 24 to 230 V AC with a control voltage of 4 to 30 V DC
Mechanical shock resistance up to 15 g and vibration resistance of 2 g ensures durability
IP20 protection rating provides adequate safety against foreign objects
Power loss management with a maximum dissipation of 30 VA optimises energy efficiency
Related links
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 30V dc Control
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 30V dc Control
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 30V dc Control
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 24V dc Control
- Siemens SIRIUS 3RF30 Series Solid State Relay Screw Fixing Mount 30V dc Control
- Siemens SIRIUS 3RF30 Series Solid State Relay Screw Fixing Mount 30V dc Control
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 230V ac Control
- Siemens SIRIUS 3RF31 Series Solid State Relay Screw Fixing Mount 24V dc Control

