
Cole Hersee, the Commercial Vehicle Products division of Littelfuse, Inc., has launched a line of switches with a sealed engineered-plastic body that helps fleets endure the extremely corrosive effects of winter road salt brine. The line includes the 75920 Master Disconnect Switch.
- Extends equipment service life during harsh winter conditions
- Protects vehicles from tampering, theft and battery drain
- Features sturdy, composite-engineered polymer housing that prevents corrosion from attacking the switch
- Tests in accordance with SAE J1455 for salt corrosion
- Withstands full immersion and keeps working
- Integral lockout feature helps with lockout/tagout compliance
- Can be used at 300A continuous or up to 3000A intermittent duty
- Includes UL approval and rating for 12V to 48V applications
Fill out the form below to request more information about 75920 Sealed Plastic Master Disconnect Switch
![[WEBINAR] Eliminating Integration Friction with a Single-Source 48V Power System](https://mindful-org-acbm.imgix.net/workspaces/default/uploads/2026/05/oem-ad-briggs-and-stratton-vanguard-ns-25983-1600x900-v2.nSoFLhvSeL.jpg?auto=compress%2Cformat&fit=crop&h=100&q=70&w=100)

![[WEBINAR] Eliminating Integration Friction with a Single-Source 48V Power System](https://mindful-org-acbm.imgix.net/workspaces/default/uploads/2026/05/oem-ad-briggs-and-stratton-vanguard-ns-25983-1600x900-v1.SCpxqTXzuP.jpg?auto=compress%2Cformat&fit=crop&h=100&q=70&w=100)



![[WEBINAR] Eliminating Integration Friction with a Single-Source 48V Power System](https://mindful-org-acbm.imgix.net/workspaces/default/uploads/2026/05/oem-ad-briggs-and-stratton-vanguard-ns-25983-1600x900-v1.SCpxqTXzuP.jpg?ar=16%3A9&auto=compress%2Cformat&fit=crop&h=135&q=70&w=240)










