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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | CR-M4SS |
| Document: | 1SVR405651R3000.pdf |
CR-M4SS ABB Plug in relay module Spring terminal Four conversion contact
ABB CR-M4SS is a high-performance plug-in control relay module in the ABB CR-M series, specifically designed for industrial automation, process control and OEM equipment that require high flexibility and quick installation. This product adopts Spring Clamp terminal blocks and supports tool-free quick wiring, significantly improving the efficiency of installation and maintenance. Equipped with 4 sets of conversion contacts (4CO), it is suitable for complex logic switching, signal routing and dual-path control scenarios. The module can be used in conjunction with CR-PSS series sockets to achieve a true "plug and play" experience.
Key features
spring terminal, efficient wiring
No screwdriver is needed. Just insert the wire directly and it will lock automatically, saving more than 50% of the wiring time
It has excellent anti-vibration performance and is suitable for harsh environments such as mobile devices, robots, and rail transit
4 sets of conversion contacts, flexible function
Each group of contacts includes a common terminal (C), normally open (NO), and normally closed (NC), supporting single-throw double-throw (SPDT) control
It can realize various control logics such as signal selection, interlocking, and status feedback
| Model | CR-M4SS |
| Series | ABB CR-M plug-in Relay (Spring Terminal Type) |
| Contact configuration | 4 CO (4 groups of conversion contacts |
| Rated working current • AC-15 | 3 A @ 230 V AC |
| Insulation voltage (Ui) | 250 V |
| Operating temperature range | -25°C to +55°C |
| Installation method | Insert into the CR-PSS series socket (35mm DIN rail installation) |
| Wiring method | Spring terminal. Applicable wire cross-section |
| Dimensions (width × height × depth) | 17.5mm × 60mm × 90mm |
| Weight | ≈ 60 g |
Product Images
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