Siemens 3RB Overload Relay NO/NC, 6 → 25 A F.L.C, 35 A Contact Rating, 11 kW, 3P, Sirius Classic
- RS Stock No.:
- 621-1953
- Mfr. Part No.:
- 3RB2123-4QB0
- Brand:
- Siemens
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Each
£137.05
(exc. VAT)
£164.46
(inc. VAT)
- RS Stock No.:
- 621-1953
- Mfr. Part No.:
- 3RB2123-4QB0
- 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 | |
| FLC Motor Rating | 6 → 25 A | |
| Contact Current Rating | 35 A | |
| Range | Sirius Classic | |
| Pole Configuration | 3P | |
| Series | 3RB | |
| Mounting Style | Direct Contactor | |
| Power Rating | 11 kW | |
| Normal State Configuration | NO/NC | |
| Terminal Type | Screw | |
| Reset Method | Automatic, Manual | |
| Number Of Auxiliary Contacts | 2 | |
| Width | 45mm | |
| Length | 73mm | |
| Depth | 75mm | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | +60°C | |
| Operating Temperature Range | -25 → +60 °C | |
| Contact Voltage Rating | 690 V ac | |
Select all | ||
|---|---|---|
Brand Siemens | ||
FLC Motor Rating 6 → 25 A | ||
Contact Current Rating 35 A | ||
Range Sirius Classic | ||
Pole Configuration 3P | ||
Series 3RB | ||
Mounting Style Direct Contactor | ||
Power Rating 11 kW | ||
Normal State Configuration NO/NC | ||
Terminal Type Screw | ||
Reset Method Automatic, Manual | ||
Number Of Auxiliary Contacts 2 | ||
Width 45mm | ||
Length 73mm | ||
Depth 75mm | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature +60°C | ||
Operating Temperature Range -25 → +60 °C | ||
Contact Voltage Rating 690 V ac | ||
- COO (Country of Origin):
- CZ
3RB21 Range
Internal power supply
Auxiliary contacts 1 NO+1NC
Manual/Automatic Reset
Switching position indicator
Internal ground fault
Eletrical remote reset
Test function
Phase failure/unbalance sensitivity
Selectable trip class 5,10,20 and 30 operation
Auxiliary contacts 1 NO+1NC
Manual/Automatic Reset
Switching position indicator
Internal ground fault
Eletrical remote reset
Test function
Phase failure/unbalance sensitivity
Selectable trip class 5,10,20 and 30 operation
Warning
This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the alternative highlighted by the manufacturer. Alternatively, refer to the cross reference list in the Technical Reference section which highlights the upgrade path for your current generation of products.
Electronic Overload Relays
The 3RB2 range of Solid State Electronic overloads can be connected directly to Siemens SIRIUS contactors to provide accurate motor overload protection with enhanced single phase sensitivity,Application: Protection of 3 phase AC motors in sinusoidal 50/60Hz network. These relays are not suitable for the protection of single phase or DC loads,Select according to motor full load current and contactor frame size e,g. S00
