Description
PAI MSW-1244 is a 5-pole emergency stop relay switch (12 VDC, 50A / 30A) for select Mack and Volvo trucks, replacing Mack 2MR2014 and Volvo / Mack 25171097. The relay is the aftermarket equivalent of the OEM stop-circuit relay used in the chassis emergency-stop / shutdown harness on Mack CH/CL/CX/CHU/CXU and Volvo VN/VNL/VHD platforms.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | MSW-1244 |
| Part Type | Emergency Stop Relay Switch |
| Number of Poles | 5 |
| Voltage | 12 VDC |
| Current Rating | 50A / 30A |
Cross References
This relay replaces or is equivalent to the following part numbers:
- Mack: 2MR2014, 25171097
- Volvo: 25171097
Applications
This emergency stop relay fits the following platforms:
- Select Mack CH / CL / CX / CHU / CXU / Pinnacle / Granite trucks (verify by chassis VIN)
- Select Volvo VN / VNL / VHD trucks (verify by chassis VIN)
Verify your chassis emergency-stop circuit and existing relay part number before ordering. Relay positions and wiring vary by build year and option package.









