Siemens Panel Mount Solid State Relay, 20 A Max. Load, 230 V Max. Load, 24 V dc Max. Control
- RS Stock No.:
- 472-9042
- Mfr. Part No.:
- 3RF2120-1AA02
- Manufacturer:
- Siemens
View all Solid State Relays
On back order for despatch 04/05/2023, delivery within 7 working days from despatch date.
Price (ex. GST) Each
Was $97.34
You pay
$87.61
(exc. GST)
$100.75
(inc. GST)
units | Per unit |
1 + | $87.61 |
- RS Stock No.:
- 472-9042
- Mfr. Part No.:
- 3RF2120-1AA02
- Manufacturer:
- Siemens
- COO (Country of Origin):
- DE
Legislation and Compliance
- COO (Country of Origin):
- DE
Product Details
3RF21 Series
Compact space-saving design, 22mm width
Zero-cross switching
IP20
Mount onto existing heatsinks
Efficient thyristors with high reverse voltage
Screw connections for fast and simple connection
Self-contained unit
Isolation voltage 600Vac
Frequency 50 / 60Hz
Zero-cross switching
IP20
Mount onto existing heatsinks
Efficient thyristors with high reverse voltage
Screw connections for fast and simple connection
Self-contained unit
Isolation voltage 600Vac
Frequency 50 / 60Hz
Note
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet

Zero Voltage Relays
Note
Temperature can affect current rating; please consult the data sheet for potential derating.
Specifications
Attribute | Value |
Minimum Load Current | 0.1 A |
Maximum Load Current | 20 A |
Mounting Type | Panel Mount |
Minimum Load Voltage | 24 V |
Maximum Load Voltage | 230 V |
Minimum Control Voltage | 15 V dc |
Maximum Control Voltage | 24 V dc |
Switching Type | Zero Crossing |
Contact Configuration | SPST |
Terminal Type | Screw |
Output Device | Thyristor |
Maximum Turn On Time | 1 (+1/2 cycle) ms |
Dimensions | 22.5 x 48 x 85mm |
Load Voltage Range | 24 → 230V |
Control Voltage Range | 15 → 24 V dc |
Depth | 48mm |
Operating Temperature Range | -25 → +60°C |
Maximum Operating Temperature | +60°C |
Minimum Operating Temperature | -25°C |
Height | 85mm |
Off State Leakage Current | 10 mA |
Length | 22.5mm |
On back order for despatch 04/05/2023, delivery within 7 working days from despatch date.
Price (ex. GST) Each
Was $97.34
You pay
$87.61
(exc. GST)
$100.75
(inc. GST)
units | Per unit |
1 + | $87.61 |