3

Engineering Data

Electrical Life Expectancy

Switching current (A)

Operating frequency: 20 operations/min

125 VAC (cos

φ = 1)

125 VAC (cos

φ = 0.4)

250 VAC (cos

φ = 1)

250 VAC (cos

φ = 0.4)

100

70

50

30

10

7

5

3

1

0.7

0.5

0.3

Dimensions

Note:

1. All units are in millimeters unless otherwise indicated.

2. Unless otherwise specified, a tolerance of

±0.4 mm applies to all dimensions.

ZC-D55

ZC-Q55

7.8 dia.

(see note)

Two, 4.3

±0.1 dia.

mounting holes

Terminal

protective

cover

Seal rubber

Two, 4.3

±0.1 dia.

mounting holes

22 max.

7.8 dia.

(see note 1)

(See

note 2)

Seal rubber

14 dia

(21 x 21)

(21 x 21)

Terminal

protective

cover

22 max.

Two, M14

Note:

Stainless steel plunger

Note:

1.

Stainless steel plunger

2.

The length of the imperfect

threads is 1.5 mm maximum.

(15)

(15)

Two hexagon nuts

(thickness: 3

width: 17)