Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Black - Toggle Wall Switches
BRYANTToggle Wall Switches

BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Black

The BRYANT Wall Switch is a toggle wall switch, model 4921GRY, featuring a single pole/double throw momentary action in a black finish. It is rated for 120/277V AC and 20 A, and is non-illuminated.

SKU 3G-OTH-17690

Also listed as: 4921 GRY · 4921-GRY

Brand
BRYANT
Item
Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Black
Category
Toggle Wall Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BRYANT
Manufacturer Part Number
4921GRY
Type
Single Pole/Double Throw, Momentary, Black, 20 A
AC
120/277V
Illuminated
No
Voltage Rating
120/277V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BRYANT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BRYANT Wall Switch is a toggle wall switch, model 4921GRY, featuring a single pole/double throw momentary action in a black finish. It is rated for 120/277V AC and 20 A, and is non-illuminated.

Frequently Asked Questions

What is the BRYANT 4921GRY wall switch used for?

The BRYANT 4921GRY is a single pole/double throw momentary toggle switch used for industrial and commercial control applications requiring a maintained-off-momentary-on function. It is suitable for 120/277V AC circuits up to 20 A, such as motor control or signaling.

What are the specifications of the BRYANT 4921GRY toggle switch?

The BRYANT 4921GRY is a non-illuminated toggle switch rated 120/277V AC and 20 A. It features single pole/double throw momentary action in a black finish. The manufacturer part number is 4921GRY. It is designed for wall-mount installation in standard electrical boxes.

Where to buy BRYANT 4921GRY worldwide?

3G Electric supplies the BRYANT 4921GRY toggle switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this BRYANT model.

How to install a BRYANT single pole/double throw momentary switch?

Install the BRYANT 4921GRY by connecting the common terminal to the line hot wire and the two traveler terminals to the load. Ensure power is off at the breaker. Use a standard wall box and secure the switch with included screws. Follow local electrical codes for safe installation.

Used in

Common applications for BRYANT
Healthcare facilities — BRYANT hospital-grade duplex receptacles (e.g., 8200HBWTR) for patient rooms and critical care areas
Commercial office buildings — BRYANT duplex receptacles (e.g., 5262 series) for general power distribution in workstations
Industrial manufacturing plants — BRYANT quad receptacles (e.g., 21254BLK) for high-density power access on production floors
Educational institutions — BRYANT tamper-resistant receptacles for classrooms and laboratories to meet child safety codes
Retail and hospitality — BRYANT single receptacles (e.g., 5261I) for dedicated equipment connections in kitchens or display areas
Data centers — BRYANT 20 A receptacles (e.g., 5-20R) for server rack power distribution units

BRYANT Products

3G Electric supplies BRYANT toggle wall switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Gray, 120/277V AC, 15 A (MPN 4821GRY)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Gray, 120/277V AC, 15 A (MPN 4821GRY)
BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Ivory, 120/277V AC, 20 A (MPN 4921I)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole/Double Throw, Momentary, Ivory, 120/277V AC, 20 A (MPN 4921I)
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Gray, 120/277V AC, 20 A (MPN 4901BGRY)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Gray, 120/277V AC, 20 A (MPN 4901BGRY)
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Gray, 120/277V AC, 15 A (MPN 4802GRY)
BRYANT
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Gray, 120/277V AC, 15 A (MPN 4802GRY)
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Gray, 120/277V AC, 15 A (MPN 4801BGRY)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Gray, 120/277V AC, 15 A (MPN 4801BGRY)
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Gray, 120/277V AC, 20 A (MPN 4902BGRY)
BRYANT
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Gray, 120/277V AC, 20 A (MPN 4902BGRY)

More from BRYANT

View all BRYANT parts
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Ivory, 120/277V AC, 20 A (MPN 4901GLI)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Ivory, 120/277V AC, 20 A (MPN 4901GLI)
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Brown, 120/277V AC, 20 A (MPN BRY4901B)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Brown, 120/277V AC, 20 A (MPN BRY4901B)
BRYANT Wall Switch: Toggle Switch, 3-Way, Maintained, Ivory, 120/277V AC, 20 A (MPN 4903GLI)
BRYANT
BRYANT Wall Switch: Toggle Switch, 3-Way, Maintained, Ivory, 120/277V AC, 20 A (MPN 4903GLI)
BRYANT Wall Switch: Toggle Switch, 4-Way, Maintained, Brown, 120/277V AC, 20 A (MPN 4904B)
BRYANT
BRYANT Wall Switch: Toggle Switch, 4-Way, Maintained, Brown, 120/277V AC, 20 A (MPN 4904B)
BRYANT Wall Switch: Toggle Switch, 3-Way, Maintained, White, 120/277V AC, 15 A (MPN 4803BW)
BRYANT
BRYANT Wall Switch: Toggle Switch, 3-Way, Maintained, White, 120/277V AC, 15 A (MPN 4803BW)
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Red, 120V AC, 20 A (MPN 4901PLR120)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Red, 120V AC, 20 A (MPN 4901PLR120)
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Ivory, 120/277V AC, 15 A (MPN 4801BI)
BRYANT
BRYANT Wall Switch: Toggle Switch, Single Pole, Maintained, Ivory, 120/277V AC, 15 A (MPN 4801BI)
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Red, 120/277V AC, 20 A (MPN 4902BRED)
BRYANT
BRYANT Wall Switch: Toggle Switch, Double Pole, Maintained, Red, 120/277V AC, 20 A (MPN 4902BRED)