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Pollak Master Disconnect Switch Emergency Shut off

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Pollak Battery Master Disconnect Switch, SPST, off-on, 2-term - 51-902 (replaces 51-302)

Product Condition: NEW
Battery Master disconnect Switch, SPST, off-on, 2-term p/n 51-902 (replaces 51-302)

Availability: In stock


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The Pollak Battery Master Disconnect Switch SPST 51-302 has a model replacement number of 51-902. This master disconnect switch has a current rating of 180 DC Amp and voltage rating of 6-36 VDC. It also has an overall length of 4 3/8 inches and diameter of 2 5/8 inches approx. 

This is a replacement for the discontinued Pollak Master Disconnect 51-302. The only difference between 51-902 and 51-302 is that the contacts are individually sealed in 902.

Product Specifications:

  • Part No.: 51-302
  • Current Rating: 180 DC Amp
  • Voltage Rating: 6-36 VDC
  • Overall Length: 4 3/8"
  • Diameter: 2 5/8" approx.
  • 1000 amps in Rush S.P.S.T. (Off-On)
  • Terminal: 2 Studs

Product Features:

  • Individually Sealed Contacts
  • One piece die-cast housing sealed with O-rings at base and mounting stem to keep out dust and moisture.
  • Large die-cast, lever for ease of operation.
  • Two 3/8" copper alloy stud terminals with hex nuts and lock washers.
  • Mounting stem 3/4" diameter, l/2" long, with two hexnuts and lock washer. (Note: Mounting nuts not to exceed 12 ft. Ibs. torque).
  • Designed for protection against battery drain, electrical fires, tampering and theft.
  • Fits panels up to l/4" thick.
  • Conforms to requirements of U.L. #558

Additional Information

Product Condition NEW
upc No

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