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Product Specifications:
| Item | Overload Relay |
| Amps | 1.8-2.5A |
| Auxiliary Contacts Included | 1NO/1NC |
| Body Depth | 2.43" |
| Body Height | 4.64" |
| Body Width | 1.77" |
| Compatible Contactor Series | SIRIUS Series |
| Compatible Contactors | Frame Size S00 |
| Features | Manual And Auto Reset |
| Frame Size | S00 |
| Included Mounting Hardware | Not Applicable |
| Included Thermal Units | Yes |
| Ip Rating | IP20 |
| Max. Overload Relay Amps Setting | 2.5A |
| Max. Voltage | 690V AC |
| Min. Overload Relay Amps Setting | 1.8A |
| Mounting | Contactor Mounting |
| Mounting Style | Direct To Contactor |
| No. Of Poles | 3 |
| Overall Height | 3" , 4 16/25" |
| Overload Protection Type | Thermal |
| Phase | 3 |
| Phase Loss Sensitivity | No |
| Relay Mounting Style | Direct To Contactor |
| Relay Style | IEC |
| Reset Type | Automatic, Manual |
| Sensing Method | Thermal |
| Separate Mounting | Additional Items Needed, Yes |
| Terminal Connection Type | Screw Terminal |
| Thermal Units Required | None (Relay Includes Integrated Bimetallic Elements) |
| Trip Class | Class 10 |
| Wire Termination Type | Screw |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 11.79 |
| Ship length (cm) | 6.17 |
| Ship width (cm) | 4.5 |
| Country of Origin | DE |
Product Variants
| Product | Model | No. Of Poles | Amps | Max. Overload Relay Amps Setting | Body Height | Body Width | Min. Overload Relay Amps Setting | Overall Height | Phase | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
3RB31134RB0 | 3 | 0.1-0.4A | 0.4A | 4.76" | 1.77" | 0.1A | 3.11" | 3 | €501.40 | |
![]() |
3RB31234RB0 | 3 | 0.1-0.4A | 0.4A | 6.13" | 1.77" | 0.1A | 6.13" | 3 | €578.56 | |
![]() |
3RU21160BB0 | 3 | 0.14-0.2A | 0.2A | 4.64" | 1.77" | 0.14A | 3" | 3 | €139.42 | |
![]() |
3RU21160DB0 | 3 | 0.22-0.32A | 0.32A | 4.64" | 1.77" | 0.22A | 3" | 3 | €150.57 | |
![]() |
3RU21160EB0 | 3 | 0.28-0.4A | 0.4A | 4.64" | 1.77" | 0.28A | 3" | 3 | €132.25 | |
![]() |
3RB31234NB0 | 3 | 0.32-1.25A | 1.25A | 6.13" | 1.77" | 0.32A | 6.13" | 3 | €568.29 | |
![]() |
3RB31134NB0 | 3 | 0.32-1.25A | 1.25A | 4.76" | 1.77" | 0.32A | 3.11" | 3 | €505.40 |
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SIEMENS 3RU21161CB0 Overload Relay, 1.80 To 2.50A, 103 Poles, Thermal
€146.49 /unit


