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Double Throw Safety Switches

Double Throw Safety Switches
Technical Data
Visit our technical library for additional documents for this product line.
  Catalogs
Residential Products Catalog
Document Number: 0110PL9401
This catalog provides information on Square D residential products.

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  Instruction Bulletins
Neutral Assembly Installation and Replacement
Document Number: 40272-974-02
Installation and replacement instructions for neutral assemblies SN0310 and SN0310C for use in the following F-Series double throw safety switches:
  • 30 A, 60 A, and 100 A
  • Fusible and Nonfusible
  • 240 Vac/250 Vdc
  • 600 Vac/600 Vdc

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Neutral Assembly Installation and Replacement
Document Number: 40273-483-03

Installation and replacement instructions for neutral assemblies SN20A, CSN20, SN20C, and CSN20C for use in the following F-Series double throw, heavy duty, and general duty safety switches and walking beam circuit breaker enclosures:
  • 200 A fusible and nonfusible switches
  • Type FA, FH, and KA circuit breakers
  • 240 Vac/250 Vdc
  • 600 Vac/600 Vdc

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30–1200 A Safety Switches Maintenance Instructions
Document Number: 40273-829-02
Safety switches are properly lubricated at the factory. However, periodic cleaning and lubrication may be required. The maintenance interval between lubrications depends on the amount of switch usage and the ambient operating conditions. The maximum maintenance interval should not exceed one year for mechanical or current-carrying parts.

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