NTE Electronics S78 Catalog Page

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)