The Grayhill 30-05-04-502-01 is a robust butt contact pushbutton switch designed for demanding industrial environments. Its space-saving 11/16" square footprint and attractive front panel bezels enhance aesthetics and functionality. The switch provides SPST normally open operation with options for positive feel and overtravel, catering to diverse application requirements. Constructed with durable materials like phenolic base, brass, and tin zinc, it ensures long-lasting performance. Common applications include industrial control panels, machinery, and other equipment requiring reliable push-button actuation.
Material and Finishes_Lockwasher: Steel, zinc trivalent chromate-plated
Material and Finishes_Behind Panel Plate: Steel, zinc trivalent chromate-plated
Material and Finishes_Mounting Sleeve and Screws: Steel, zinc trivalent chromate-plated
Material and Finishes_Base: Phenolic per MIL-M14, Type CFG
Material and Finishes_Square Bezel: ABS (SPST, SPDT), thermoset plastic (DPDT)
Material and Finishes_Mounting Nut, Bushing, and Round Bezel: Brass, tin zinc
Material and Finishes_Button Cap: ABS (UL version is PPS)
Material and Finishes_Shorting Bar: Series 30–Fine silver contact area
Material and Finishes_Terminals_Series 30: Fine silver contact area with silver-plated terminal ends
Material and Finishes_Terminals_Series 46: Silver contact surface with tin/silver clad terminal ends
Material and Finishes_Spring: Tinned music wire
Material and Finishes_Plunger: Polyphenylene sulfide (PPS) for 3001-01-500-X and 46-01-05-500-X. Nickel-plated brass for 46-01-07-500-X, 46-05-07-502-X, 4601-09-500-X and 46-05-09-502-X. Zinc trivalent chromate-plated brass for 46-01-08-500-X. Polycarbonate for all others.
Operating Temperature: -40°C to +85°C
Electrical Ratings_Contacts: Butt type
Electrical Ratings_Series 30: 1 Amp @ 115 Vac
Electrical Ratings_Series 46: 0.25 Amp @ 115 Vac
Electrical Ratings_Circuitry: SPST–N.O.
Life Expectancy_SPST–N.O. (Standard): 1,000,000 operations
Life Expectancy_SPST–N.O. (w/Positive Feel): 200,000 operations
Life Expectancy_SPST–N.O. (w/Overtravel): 500,000 operations
Contact Resistance: 25 milliohms or less
Voltage Breakdown: 1000 Vac
Insulation Resistance: 1000 megohms minimum
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