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Security Pushbutton, Single Pole
Features
• .629” (16mm) bushing diameter
NTE
Type No.
54−460 SPST−NO OFF (ON) Stainless Steel, Curved S78
54−474 SPST−NO OFF (ON) Nickel Plated Brass, Flat S78
SPECIAL NOTE: ( ) = Momentary Function
Circuitry Action Actuator
Diag
No.
S78
Curved Actuator
.118 (3.0)
.472
.708
(12.0)
(18.0)
Dia
Dia
.059 (1.5) .440 (11.2)
.374 (9.5)
Flat Actuator
.118 (3.0)
.059 (1.5)
.118 (3.0)
.098 (2.5) Dia Typ
.629 x 1.00 IS
(16.0 x 1.00 SI)
Dia
Specifications
Contact Rating: 100−400mA 48VDC max. (resistive load)
Initial Contact Resistance: 50 Milliohms (max.)
Insulation Resistance: 1000 Megohms (min.) at 500VDC
Dielectric Strength: 2000V RMS (min.)
Temperature Rating: −4°F to +131°F (−20°C to +55°C)
Electrical Life: 50,000 cycles min. at 200mA 48VDC
Mechanical Life: 1,000,000 cycles min.
Terminal Type: Screw Type
Mounting Hole: .638 (16.2)
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