NTE Electronics S49 Catalog Page

Snap Action, Standard

Features

• Actuator: Short Spring Plunger

NTE
Type No.

54-424 SPDT 0.02” 0.06” 350g 0.002” S49a

54-437 SPDT 0.02” 0.06” 350g 0.002” S49b

Circuitry

Max.
Pre-

Travel

Min.

Over

Travel

Max.

Operating

Force

Max.

Differential

Diag
No.

S49

.790

(20.0)

.790 (20.0)

.250 (6.4)

PT

1.000 (25.4) .469 (11.9)

1.937 (49.2)

.920 (23.3)

.790 (20.0)

a: Screw Terminals

b: Solder Terminals

.953

(24.2)

.690 (17.45)

Specifications

Current Rating: 15A 125/250/480VAC, 0.5A 125VDC, 0.25A 250VDC

Current Rating: 1/8 HP 125VAC, 1/4 HP 250VA

Contact Resistance: 50 Milliohms (max.) initial
Insulation Resistance: 100 Megohms at 500VDC
Dielectric Strength: 1000VAC (50/60Hz for 1 minute)
Temperature Rating: -13°F to +176°F (-25°C to +80°C) with no icing
Electrical Life: 500,000 cycles min. (under rated load)
Mechanical Life: 20,000,000 cycles min.
Terminal Type: Refer to Diag No. in Table