9124

CONTACTOR

3 PST, 50 AMP

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COIL CHARACTERISTICS (Vdc)

GENERAL CHARACTERISTICS

Unless otherwise noted, the specified temperature range applies to all relay characteristics.

CODE

Vdc

115 Vac

60/400 Hz

Suppressed

Vdc [2]

Nominal operating voltage

28

115

28

Maximum operating voltage

29

124

29

Pick-up voltage, max.

- Nominal

18

90

18

- High temp test

21

100

21

- Continuous current test

22.5

104

22.5

Drop-out voltage, max.

7

40

7

Coil resistance ohms ±10% at +25° C

50

-

50

Coil current max. mA at +25° C

-

200

-

Temperature range

-70°C to +125°C

Minimum operating cycles (life) at rated load

50,000

Minimum operating cycles (life) at 25% rated load

100,000

Dielectric strength at sea level

- Coil to case

DC 1,250 Vrms

AC 1,500 Vrms

- Auxiliary contacts

DC 1,250 Vrms

AC 1,500 Vrms

- All other points

DC 1,250 Vrms

AC 1,800 Vrms

Dielectric strength at altitude 80,000 ft

700 Vrms

Insulation resistance (at 500 Vdc) minimum

100 M Ω min

Sinusoidal vibration (55-1500 Hz)

15G

Shock (6-9 millisecond duration)

50G

Maximum contact opening time under shock or vibration

2 ms

Operate time at nominal voltage

DC

25 ms max

AC

30 ms max

Release time at nominal voltage

DC

10 ms max

AC

50 ms max

Contact bounce at nominal voltage

2 ms max [1]