A Distributor For


Circuit Breakers
Please feel free to contact SRI or fill out the form below for
details regarding merchandise unaccounted for on these pages.

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[ W28 Series ] [ W58 Series ] [ W33 Series ] [ W23/W31 Series ]
[ W6/W9 Series ]

W28 Series Relay

Acrobat File		 Switchable or Push to Reset
Fuseholder-type Thermal Circuit Breaker
  • Switchable version combines on-off switch and circuit protection in a single unit
  • Approved to many international standards (push-to-reset type)
  • Replaces slow-blow glass cartridge fuse
  • Labor-saving snap-in mounting
  • Button extends for visual trip indication on push-to-reset model
  • Rocker on switchable model moves to "overload" position upon trip
    VDE, Demko, Semko

    • W58 Series Relay

    Acrobat File    		 Push to Reset Only
    Thermal Circuit Breaker
  • 0.5 amp to 35 amp ratings
  • Cannot be manually tripped
  • Button extends for visual trip indication
  • Push button to reset breaker
  • Termination is screw or 0.250" QC

    • W33 Series Relay

    Acrobat File    		 One- and Two-Pole
    Thermal Circuit Breaker
  • Combines on/off switch and circuit protection in a single unit.
  • 2 to 20 amp ratings (<2A types available as special order).
  • One or two pole sensing.
  • Lighted or non-lighted rocker actuator in various colors.
  • Convenient, snap-in mounting.
  • Optional auxiliary switch available.
  • Trip-free operation.

    • W23/W31 Series Relay

    Acrobat File    		 Toggle or Push/Pull Actuator
    Thermal Circuit Breaker
  • 0.5 amp to 50 amp ratings may be used as on/off switch.
  • Cannot be reset against overload.
  • W23 has visible trip indicator.
  • Screw termination.

    • W6/W9 Series Relay

    Acrobat File    		 Magnetic Hydraulic
    Circuit Breakers
  • Designed for the international market. UL recognized, CSA certified and VDE approved.
  • Ratings to 50 amps.
  • Heavy duty #10-32 stud connections (W9).
  • Optional 10 amp auxiliary switch.
  • Single toggle actiation of multipole units (W6).
  • Optional snap-in mounting (W6).
  • Variety of circuit functions.
  • Several delay curve options.
    VDE

    • *Specifications subject to change

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