COIL CHARACTERISTICS (Vdc)

SERIES ZC, ZCD

CODE

A

B

C

F

Vac 400 Hz

N

Suppressed[6]

Y [8]

YN [6]

Nominal operating voltage

28

12

6

115

28

28

28

Maximum operating voltage

29

14.5

7.2

124

29

29

29

Pick-up voltage maximum

- Nominal

18

9

4.5

90

18

18

18

- High temp test

20

10

5

95

20

20

20

- Continuous current test

22.5

11

5.7

100

22.5

22.5

22.5

Drop-out voltage, maximum

7

4.5

2.5

30

7

7

7

Coil resistance in Ohms ±20% at +25° C 150

38

9.3

-

150

xx/xxx xx/xxx

Coil current Amp max. @ Nom. Volt.

and +25° C

-

-

-

0.09

-

-

-

GENERAL CHARACTERISTICS

Temperature range

-55°C to 71°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

- All circuits to ground and circuit to circuit

1500 Vrms

- Coil to ground and Aux. contacts

1250 Vrms

Dielectric strength at altitude

700 Vrms (Main contacts)

500 Vrms (Coil and Auxiliary contacts)

Insulation resistance

- Initial (500 Vdc)

100 M

Ω min

- After environmental tests (500 Vdc)

50 M

Ω min

Sinusoidal vibration (70 to 500 Hz)

5 G

Shock (6 ms duration)

15 G

Maximum contact opening time under vibration and shock

10 µs

Operate time at nominal voltage (Including bounce)

60 ms max

25 ms max (Economizer coil)

Release time at nominal voltage (Including bounce)

-DC

40 ms max

-AC

80 ms max

Release time at nominal voltage (Including bounce) : Economizer coil

-DC

25 ms max

-AC

35 ms max

Date of issue: 06/10

- 64 -

Page 2 of 5