NTE Electronics S77 Catalog Page

Anti−Vandal Pushbutton, Single Pole

Features

• .866” (22mm) bushing diameter

NTE
Type No.

54−379 SPST−NO OFF (ON) Stainless Steel, Curved S77b

SPECIAL NOTE: ( ) = Momentary Function

Circuitry Action Actuator

Diag
No.

b: Solder Lug (Bottom)

S77

.866 x 1.00 I.S.
(22.0 x 1.00 S.I.)

.118 (3.0)

.287 (7.3)

Epoxy

.110 (2.8) x
.019 (0.50)

.590

.984

(15.0)

(25.0)

Dia

Dia

.142 (3.6) .248 (6.3)

.500 (12.7)

Specifications

Contact Rating: 2A 48VDC max. (resistive load)
Initial Contact Resistance: 10 Milliohms (max.) at 1A, 2V
Insulation Resistance: 100 Megohms (min.) at 500VDC
Dielectric Strength: 2000V RMS (min.)
Temperature Rating: −4°F to +131°F (−20°C to +55°C)
Electrical Life: 10,000 cycles min. at full load
Mechanical Life: 1,000,000 cycles min.
Terminal Type: Solder Lug/Quick−Connect
Mounting Hole: .756 (19.2)