Pass & Seymour PS20AC1 Extra H...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$61.04
$36.04
Pass & Seymour PS20AC1 Industrial Extra Heavy Duty Specification Grade Switch, Brown

Pass & Seymour PS20AC1 Extra Heavy-Duty Industrial Specification Grade Toggle Switch, Brown

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Model: PS20AC1

In Stock (leaves warehouse same day if ordered before 3pm ET)

$61.04
$36.04
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Pass & Seymour PS20AC1 Extra Heavy-Duty Industrial Specification Grade Toggle Switch, Brown

The Pass & Seymour PS20AC1 is an Industrial Extra Heavy Duty Specification Grade toggle switch finished in Brown, engineered for demanding commercial and industrial wiring applications. It accepts side and external screw-pressure-plate back wire terminations for #14 - #10 AWG copper or copper-clad wire, and it carries both Federal Spec Listed and cULus Listed status for code-compliant, specification-grade performance. A glass-reinforced thermoplastic back body, nickel-plated brass strap, and oversized silver-alloy contacts round out a switch built for long service life in heavy-use environments.

Key Features

  • Back Wire Connection: Side and external screw-pressure-plate back wire accepts #14 - #10 AWG copper or copper-clad wire for secure, reliable terminations.
  • Durable Construction: Glass-reinforced, chemical-resistant thermoplastic back body delivers durability, strength, and resistance to harsh cleaners.
  • Contact Arm: Heavy-duty, brass alloy, one-piece contact arm virtually eliminates contact bounce.
  • Strap: One-piece nickel-plated brass strap provides superior corrosion resistance.
  • Cover & Toggle: Impact- and chemical-resistant cover paired with a one-piece toggle molded from chemical-, impact-, and heat-resistant thermoplastic.
  • Grounding: Grounding terminal is standard with screw-pressure-plate back wire, and an auto-ground clip assures positive ground.
  • Contacts & Operation: Oversized silver-alloy contacts extend service life and improve heat dissipation, with cam control and spring actuator for positive makes and breaks, plus heavy-duty bumpers for quiet, smooth operation.
  • Installation: Shallow design eases installation, and locking support resists face and back body separation.

Certifications & Compliance

  • Federal Spec Listed
  • cULus Listed

Technical Specifications

  • Country Of Origin: Mexico
  • Product Finish: Matte
  • Product Height: 3.281 in
  • Product Line: Pass & Seymour
  • Product Width: 1.32 in
  • Product Depth: 1.073 in

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Specification-Grade Lighting and Load Switch Control
  • Facilities Requiring Federal Specification Compliance
  • Renovation and New Construction Wiring Projects

Why Pass & Seymour?

Pass & Seymour builds the PS20AC1 with a glass-reinforced thermoplastic body, nickel-plated brass strap, and oversized silver-alloy contacts to withstand heavy-duty industrial use while meeting Federal Spec Listed and cULus Listed requirements. The screw-pressure-plate back wire, auto-ground clip, and locking support combine for a switch that installs securely and performs reliably for code-compliant, specification-grade electrical work.

Manufacturer Resources

Spec Sheet

Product Specs

Product Type:
Switch
Product Color:
Brown
Product Finish:
Matte
Connection Type:
Screw-Pressure Plate
Listing:
cULus
Country of Origin:
Mexico
Department:
Electrical
Product Group:
Wiring Devices
Finish:
Matte

Pass & Seymour PS20AC1 – Frequently Asked Questions

1) What wire size does the Pass & Seymour PS20AC1 toggle switch accept?
The PS20AC1 takes #14 through #10 AWG copper or copper-clad wire. You can land it on the side screws or use the external screw-pressure-plate back wire terminations, which is the faster method on a gang box full of #12. The pressure plate clamps the conductor rather than relying on a spring, so #10 seats without deforming.
2) Do I need a separate ground jumper to the box with this Pass & Seymour spec grade switch?
No. A grounding terminal comes standard with the screw-pressure-plate back wire, and there's an auto-ground clip that bonds the strap to a grounded metal box through the mounting screw. On a metal box that gives you a positive ground without a pigtail; in a nonmetallic box you still land the equipment grounding conductor on the green terminal.
3) Can I use this Pass & Seymour toggle switch to disconnect a large motor or high-current DC load?
No, that's the wrong tool. The PS20AC1 is an AC lighting and load control toggle for ordinary branch circuit switching in a wall box. For high-current or DC disconnect duty, look at a purpose-built device like the Bussmann TPHCS-250 from the TPH series, rated 80 Vdc with a 100kA SCCR. Those are two different classes of product and they don't substitute for each other.
4) What is the closest 20A AC switch to the Pass & Seymour PS20AC1 if I need a lighted toggle so crews can find it in a dark plant room?
The Bryant 4801GLI is a 4-Series 20A 277V lighted AC switch, so it adds an illuminated toggle the PS20AC1 does not have. The PS20AC1 is an unlighted industrial extra heavy duty specification grade toggle in brown with a screw-pressure-plate connection and cULus listing. If the only reason you are looking is visibility in a dark space, the 4801GLI covers that; if you want the brown spec grade device with silver-alloy contacts and auto-ground clip, stay on the PS20AC1.
5) I need to keep tenants or staff from flipping a switch off. What can I use instead of the PS20AC1?
The Bryant 4802L is a 4 Series single-pole locking AC switch rated 20A 277V, which gives you a lockable toggle for circuits that must not be switched casually. The PS20AC1 is a standard non-locking industrial spec grade toggle in brown. Same general 20A class of device, different control intent: choose the 4802L where the switch position needs to be secured, and the PS20AC1 where normal operation by staff is expected.
6) Is the Bryant 9801 a direct substitute for the Pass & Seymour PS20AC1?
No. The Bryant 9801 is a BR Series 1-pole 15A 120/277V AC switch, so it is a 15 amp device. The PS20AC1 is an industrial extra heavy duty specification grade switch that accepts #14 to #10 AWG copper or copper-clad wire on side or screw-pressure-plate back wire terminations. On a circuit specified for a 20 amp switch the 9801 is not an equivalent; it is the lighter-duty option for general 15A lighting control.
7) Will the PS20AC1 fit in a shallow or crowded existing box?
It's built with a shallow back body specifically to ease installation in tight boxes, and the device measures 3.281 in by 1.32 in by 1.073 in. The strap is standard wiring-device size, so it mounts to a normal single-gang box or plaster ring and takes a standard toggle wall plate.
8) What makes an extra heavy duty spec grade switch worth it over a residential grade toggle?
It's about cycle life and contact behavior in a high-use opening. The PS20AC1 uses oversized silver-alloy contacts for longer service life and better heat dissipation, a one-piece brass alloy contact arm that virtually eliminates contact bounce, and a cam-and-spring actuator for positive makes and breaks. The strap is one-piece nickel-plated brass for corrosion resistance. In a corridor, restroom, or shop area where the switch gets thrown dozens of times a day, that's the difference between replacing it and forgetting about it.
9) Will this switch hold up in a facility that gets washed down with harsh cleaners?
The back body is glass-reinforced, chemical-resistant thermoplastic, the cover is impact- and chemical-resistant, and the toggle is molded from chemical-, impact-, and heat-resistant thermoplastic. Locking support between the face and back body resists separation. That said, the device itself is not a weatherproof or wet-location assembly on its own, so in a washdown area pair it with an appropriate in-use cover per your local code.
10) Is a wall plate included with the Pass & Seymour PS20AC1?
No. It ships as the switch device only, so order a standard toggle-opening wall plate separately and match it to your gang count and color. Mounting screws for the device strap are on the switch; the plate screw comes with the plate.
11) What else does ZenSupply carry if I need a lighted or locking AC toggle switch instead of a plain one?
Two Bryant alternatives cover those cases. The Bryant 4801GLI is a 4-Series 20A 277V lighted AC switch, useful where you want the toggle visible in a dark corridor or mechanical room. The Bryant 4802L is a 4 Series single-pole locking AC switch at 20A 277V, for openings where you need to keep a load from being switched off by anyone without the key. The Pass & Seymour PS20AC1 is the standard non-lighted, non-locking spec grade toggle.
12) We standardize on one AC switch across a facility. How do the Bryant options differ from the PS20AC1?
The Pass & Seymour PS20AC1 is the industrial extra heavy duty spec grade toggle in brown, Federal Spec Listed and cULus Listed, with a nickel-plated brass strap and oversized silver-alloy contacts. Among the Bryant devices, the 4801GLI is a 4-Series 20A 277V lighted switch, the 4802L is a 4 Series 20A 277V locking switch, the 9801 is a BR Series 15A 120/277V switch, and the CSB2BW is a DPA Series 277V wiring device switch. If your standard calls for Federal Specification compliance, the PS20AC1 is the one that carries it; the Bryant devices are the route when you need lighted, locking, or 15A variants.
13) What is the simpler, lighter-duty alternative to the PS20AC1 for ordinary office lighting?
The Bryant 9801 is a BR Series 1-pole 15A 120/277V AC switch and is the lighter-duty choice for routine single-pole lighting control. The PS20AC1 is built for heavy-use environments with a glass-reinforced chemical-resistant thermoplastic back body, heavy-duty bumpers, and cam and spring actuation. For a tenant office on a 15A circuit the 9801 is adequate; for shop floors, kitchens, and wash-down areas the PS20AC1 construction is the reason to pay for spec grade.
14) What color and finish is the PS20AC1, and will it match my existing devices?
Brown with a matte finish, which is the traditional commercial color that matches older brown receptacles and brown wall plates. If your building has standardized on ivory, white, or gray devices, this one will stand out, so match the color code before you order for a fleet of openings.
How fast can I get the Pass & Seymour PS20AC1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Pass & Seymour PS20AC1 come with a warranty?
Absolutely. The Pass & Seymour PS20AC1 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pass & Seymour PS20AC1?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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