Siemens Monitoring Relay, 2 Phase, SPDT, Direct to 80A, 24 V dc, 24V ac
- RS Stock No.:
- 256-5404
- Mfr. Part No.:
- 3RR21431AA30
- Brand:
- Siemens
Subtotal (1 unit)*
$582.59
(exc. GST)
$640.85
(inc. GST)
FREE delivery for orders over $60.00 ex GST
Stocked by manufacturer
- Ready to ship from 22 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | $582.59 |
*price indicative
- RS Stock No.:
- 256-5404
- Mfr. Part No.:
- 3RR21431AA30
- Brand:
- Siemens
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Monitoring Relay | |
| Electrical Phase | 2 | |
| Contact Configuration | SPDT | |
| Mount Type | Direct | |
| Power Consumption | 2.5W | |
| Maximum Current Sensed | 80A | |
| Current Sensitivity | 8 to 80 A | |
| Terminal Type | Screw | |
| Time Delay | 0 to 60 s | |
| IP Rating | IP20 | |
| Minimum Operating Temperature | -25°C | |
| Supply AC Voltage | 24V ac | |
| Supply DC Voltage | 24 V dc | |
| Maximum Operating Temperature | 60°C | |
| Width | 55mm | |
| Standards/Approvals | RoHS | |
| Length | 112mm | |
| Series | 3RR2 | |
| Height | 99mm | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Monitoring Relay | ||
Electrical Phase 2 | ||
Contact Configuration SPDT | ||
Mount Type Direct | ||
Power Consumption 2.5W | ||
Maximum Current Sensed 80A | ||
Current Sensitivity 8 to 80 A | ||
Terminal Type Screw | ||
Time Delay 0 to 60 s | ||
IP Rating IP20 | ||
Minimum Operating Temperature -25°C | ||
Supply AC Voltage 24V ac | ||
Supply DC Voltage 24 V dc | ||
Maximum Operating Temperature 60°C | ||
Width 55mm | ||
Standards/Approvals RoHS | ||
Length 112mm | ||
Series 3RR2 | ||
Height 99mm | ||
- COO (Country of Origin):
- CZ
The Siemens Monitoring relay can be mounted to contactor 3RT2, Size S2 standard, analog adjustable Apparent current monitoring 8 to 80 A at 50 to 60 Hz, 2-phase current monitoring, 24 V AC/DC supply voltage and 1 change-over contact monitoring for current overshoot and undershoot with phase failure, cable break with or without fault buffer ON delay 0 to 60 seconds noise pulse suppression 0 to 30 seconds, switching hysteresis 6 percent and screw connection system with any mounting position, IP20 protection class.
Degree of pollution 3
AC type of current for monitoring
Height 99 mm
Width 55 mm
Depth 112 mm
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