Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
Switch
Electrical & controlsPart number: 75903
Cole Hersee 75903 is a double-pole, off/on master disconnect switch for 6–36 V DC systems. It features a chrome lever, plated steel housing and four stud terminals. Verify electrical ratings and mounting requirements for the intended equipment before ordering.
Looking for Cole Hersee 75903? This catalogue reference is listed under Electrical & controls. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
Availability on request
Technical specifications
| Manufacturer | Cole Hersee |
|---|---|
| Part number | 75903 |
| Category | Electrical & controls |
| Availability | On request |
| Reference basis | Manufacturer part-number reference; supply origin requires quotation confirmation |
| Switch type | Double-pole master disconnect, off/on |
| Operating voltage | 6–36 V DC |
| Large stud intermittent rating | 1000 A; 15 seconds on, 5 minutes off |
| Small stud continuous rating | 20 A |
| Terminals | Two 3/8-inch copper studs and two 10-32 studs |
| Actuator | Chrome lever |
| Housing | Plated steel |
| Mounting stem | Brass, 3/4-16 thread, 23/32 inch long |
| Maximum panel thickness | 3/16 inch |
| Mounting hole | 3/4 inch through-hole |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What kind of switch is the Cole Hersee 75903?
The 75903 is a double-pole master disconnect switch with two positions, off and on. It uses a lever and is specified for 6–36 V DC systems.
What are the 75903 switch terminal ratings?
The large studs are specified for 1000 A intermittently, with 15 seconds on and 5 minutes off. The small studs are rated 20 A continuous. Published large-stud continuous ratings differ, so confirm that rating for the supplied part before selecting it.
What terminals and panel mounting does the 75903 use?
It has two 3/8-inch copper studs and two 10-32 studs. The mounting stem has a 3/4-16 thread and is 23/32 inch long; the stated maximum panel thickness is 3/16 inch.
Will the Cole Hersee 75903 replace my equipment’s disconnect switch?
Fitment depends on the equipment and its electrical and mounting requirements. Compare the existing switch and provide the machine model and serial number for verification; a matching voltage alone does not establish compatibility.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.