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SNAPAK® MAGNETIC CIRCUIT PROTECTORS
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Catalog excerpts

SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 1

MAGNETIC CIRCUIT PROTECTORS Introduction The SNAPAK® series is a snap-acting hydraulic-magnetic circuit protector that combines power switching and accurate, reliable circuit protection in one aesthetically pleasing package. The SNAPAK® combines the functions of three separate components: power switch, fuse and fuse holder. To the OEM, this means that only one item has to be mounted instead of three. Less assembly is required, inventory is cut by two-thirds and greater panel density is obtainable with less clutter. In addition, the SNAPAK® can be operated at either DC or 50/60Hz, eliminating the need to specify, order and stock separate units. 400Hz units are also available. To enhance front-panel aesthetics, SNAPAK® is offered with paddle and rocker handles in six attractive colors and push-pull and push-to-reset actuators. Also offered is a variety of optional mounting hardware. The push-pull version is supplied with a black button with a white indicating band. Orientation of the button when marked with an amperage notation must be specified when using the fourth decision table. Push-to-reset is supplied with a contrasting color indicating shaft. In addition, SNAPAK® is offered in SPST and DPST configurations. The single pole satisfies most applications. The two-pole version is often used for extra safety in products that utilize high voltage or where current sensing and breaking of both sides of the line is required. Quick connect terminals are standard, UNC 8-32 or M4 screw terminals are available as additional termination options. Since the SNAPAK® is snap-acting, it assures immediate opening and closing of the contacts. Its design also prevents operator “teasing” of the contacts and minimizes arcing.SNAPAK® circuit protectors are UL Recognized as supplementary protectors per UL STD. 1077, CSA Certified as supplementary protectors per CSA STD. C22.2 No. 235, TUV Approved as circuit breakers for equipment per STD. EN 60934, CCC Approved (customer must request product be manufactured in China) and CE Compliant. In addition, most versions are certified by UL to meet spacing requirements of IEC 950 for basic and functional insulation for front panel mounting. Consult factory for details and exceptions. Typical applications include office appliances, electronic data processing, medical equipment, business machines, vending and amusement machines. Push-pull versions are particularly well suited for medical instrumentation, automotive production transfer lines and other applications where accidental turn off is unacceptable. For those applications which do not require circuit protection, SNAPAK® is offered in a power-switch-only configuration. TOGGLE ACTUATORS Mounting Tolerance ± 0.015[0.38] unless noted angles: ±5°. Dimensions in Brackets [ ] are millimeters Mounting Details with Locking Ring The SNAPAK® is available with paddle handles in six attractive colors. Engineered for safe, sure operation, the paddle handles may be specified in without Locking Ring PANEL CUTOUT SHOWN ABOVE MAY BE MADE WITH GREENLEE RADIO CHASSIS PUNCH #733 x 1/2” DIA. Page 1 Copyright © 2022 Sensata Technologies

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SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 2

Single Pole, Toggle .680 ± 0.010 [17.27 ± 0.25] Paddle Handle ROCKER HANDLES WITH ILLUMINATION Mounting Detail SNAPAKs are offered in single and two pole rocker styles in a choice of black, white or gray body colors. Handle color in non-illuminated types may be black, red, white or orange. Neon or light emitting diode (LED) illumination may be specified with a variety of options.SNAPAK® circuit protectors with a second pole are available in paddle handle, push-pull, push-to-reset and rocker handle versions.

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SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 3

HANDLE GUARDS The SNAPAK® circuit protector is available with an optional handle guard as an integrated part of the snap-in mounting design. Available for rocker actuators, the guard helps in providing protection from accidental “turn-off.” Please refer to the SNAPAK® Part Number Decision Tables; fourth decision. Handle Guards, Single Pole Handle Guards, Two Pole 0.305 ± 0.010 0.305 ± 0.010 Mounting Detail FRONT SNAP-IN MOUNT (STD) Panel Thickness Copyright © 2022 Sensata Technologies, Inc. Illuminated Handle Single Pole

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SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 4

PUSH-PULL, PUSH-TO-RESET ACTUATOR SNAPAK® may also be ordered with Push-Pull, or Push-to-Reset actuator buttons. As an option, the button can be embossed with the current rating (Push-Pull option only). Push-Pull, Single Pole FLAT Push-Pull Actuation Push-Pull Actuation 3/8 - 32 THD WHITE BAND VISIBLE IN OFF POSITION ONLY Mounting Detail Push-to-Reset Actuation (Single Pole and Two Pole) WHITE BAND VISIBLE IN OFF POSITION ONLY Note: Tolerance ± .015 [0.38] unless noted angles: ±5˚. Dimensions in Brackets [ ] are millimeters.

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SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 5

SCREW TERMINALS Available as straight screw terminals with UNC 8-32 and Metric M4 screw types, bus-type connect (flat) or upturned lugs (tabs), with UL, CSA and TÜV approvals available. Screw terminals are available for all handle options (rocker, toggle, push-pull, push-to-reset). Single pole only, series only, non-auxiliary switch configurations. Toggle Push Button DIMENSION “A Handle Style Screw Terminal Push Button CONFIGURATIONS Series Trip The most popular configuration for magnetic protectors is the series trip where the sensing coil and the contacts are in series with the load being...

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SNAPAK® MAGNETIC CIRCUIT PROTECTORS - 6

Auxiliary Switch This is furnished as an integral part of a series pole in single or, multi-pole assemblies. Isolated electrically from the protector s circuit, the switch works in unison with the power contacts and provides indication at a remote location of the protector’s ON-OFF status. Auxiliary Switch (Note B) Single Pole 2 Voltage Trip Sometimes called “dump circuits” or “panic trip circuits,” these units make it possible to open main power contacts with lower power inputs from one or more sources. This configuration is becoming increasingly more important for sensitive circuitry and...

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