SE Digest 178

XCKS, Plastic, Double Insulated Variable Composition Switches with 1 Cable Entry

XC Standard Range, Format EN 50041

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NOTE : ZCKD heads can only be used with ZCKS bodies. Catalog numbers of variable composition switches (ZCKS bodies and ZCKD heads) with 1 ISO M20 x 1.5 cable entry [5] Form conforming to EN 50041 [6] B C A A A

A

D

Variable length thermoplastic roller lever [7]

Variable length elastomer roller lever, Ø50 mm [7]

Elastomer roller lever, Ø50 mm [7]

Round thermoplastic rod lever, Ø6 mm [8] [9]

Type of operator

Metal end plunger

Steel roller plunger Thermoplastic roller lever [7]

Positive operation

—

—

—

ZCKS9H29 + ZCKD01

ZCKS9H29 + ZCKD02

ZCKS9H29 + ZCKD31

ZCKS9H29 + ZCKD39

ZCKS9H29 + ZCKD41

ZCKS9H29 + ZCKD49

ZCKS9H29 + ZCKD59

2-pole NC+NC snap action(XE2SP2141)

23°

1,8 4,5(P)

23° 58°(P)

23° 58°(P)

23°

23°

3,1(A) 7,8(P)

21-22 11-12 11-12 21-22

21-22 11-12 11-12 21-22

21-22 11-12 11-12 21-22

21-22 11-12 11-12 21-22 0

21-22 11-12 11-12 21-22

21-22 11-12 11-12 21-22

21-22 11-12 11-12 21-22

0

0

0

0

0

mm

80°

80°

5,5 mm

80°

80°

0

80°

1,5

11°

11°

0,9

11°

11°

11°

ZCKS7H29 + ZCKD01

ZCKS7H29 + ZCKD02

ZCKS7H29 + ZCKD31

ZCKS7H29 + ZCKD39

ZCKS7H29 + ZCKD41

ZCKS7H29 + ZCKD49

ZCKS7H29 + ZCKD59

2-pole NC + NC simultaneous, slow break (XE2NP2141)

3,2(P)

3,2(P)

42°(P)

42°(P)

21-22 11-12 0

21-22 11-12 0

21-22 11-12 0

0 21-22 11-12

0 21-22 11-12

21-22 11-12 0

21-22 11-12 0

23°

23°

80°

80°

23°

80°

1,8

1,8

5,5 mm

5,5 mm

23°

23°

80°

80°

ZCKSD39H29 + ZCKD01

ZCKSD39H29 + ZCKD02

ZCKSD39H29 + ZCKD31

ZCKSD39H29 + ZCKD39

ZCKSD39H29 + ZCKD41

ZCKSD39H29 + ZCKD49

ZCKSD39H29 + ZCKD59

23°

1,8 4,5(P)

3,1(A) 7,8(P)

23° 58°(P)

23°

23° 58°(P)

23°

3-pole NC + NC + NO snap action (XE3SP2141)

13-14 21-22 31-32 13-14 31-32 21-22

13-14 21-22 31-32 13-14 31-32 21-22

13-14 21-22 31-32 13-14 31-32 21-22

13-14 21-22 31-32 13-14 31-32 21-22

13-14 21-22 31-32 13-14 0 31-32 21-22

13-14 21-22 31-32 13-14 31-32 21-22

13-14 21-22 31-32 13-14 31-32 21-22

0

0

0

0

0

5,5 mm

mm

80°

80°

80°

80°

0

80°

0,9

1,5

11°

11°

11°

11°

11°

ZCKSD37H29 + ZCKD01

ZCKSD37H29 + ZCKD02

ZCKSD37H29 + ZCKD31

ZCKSD37H29 + ZCKD39

ZCKSD37H29 + ZCKD41

ZCKSD37H29 + ZCKD49

ZCKSD37H29 + ZCKD59

3-pole NC + NC + NO break before make, slow break (XE3NP2141)

1,8 3,2(P)

23°

23° 42°(P)

23°

23° 42°(P)

23°

3,1(A) 5,6(P)

13-14 31-32 0 21-22

13-14 31-32 21-22

13-14 31-32 21-22

13-14 31-32 21-22

13-14 31-32 21-22

13-14 31-32 21-22

13-14 31-32 0 21-22

3

5,5 mm

0 33°

0 33°

0 33°

0 33°

80°

80°

80°

80°

0 33°

80°

5,2

mm

Weight, kg (lb)

0.095 (0.21)

0.105 (0.23)

0.145 (0.32)

0.150 (0.33)

0.155 (0.34)

0.155 (0.34)

0.150 (0.33)

closed open

(A) = cam displacement (P) = positive opening point

Contact operation

NC contact with positive opening operation

Catalog numbers of variable composition switches (ZCKS bodies and ZCKD heads) with 1 Pg 13.5 cable entry For ZCKS bodies with 1 Pg 13.5 cable entry, delete H29 from the end of the reference. Example: ZCKS1H29 becomes ZCKS1 . Specifications Switch actuation Onend By30° cam

By any moving part

Type of actuation

or

Maximum actuation speed Mechanical durability [10] (in millions of operating cycles)

0.5 m/s (1.64 ft/s)

1.5 m/s (4.92 ft/s)

1 m/s (3.28 ft/s)

25

15

20

For tripping For positive opening

15 N (3.37 lbf) 45 N (10.12 lbf)

12 N (2.70 lbf) 36 N (8.09 lbf)

0.15 N•m (1.33 lb-in) 0.3 N•m (2.66 lb-in) —

Minimum forceor torque

0.3 N•m (2.66 lb-in) —

—

Cable entry

1 entry tapped M20 x 1.5 mm for ISO cable gland, clamping capacity 7–13 mm

21 LIMIT SWITCHES

[5] Switches with gold contacts or eyelet type connections: please consult our Customer Care Centre. [6] Form conforming to EN 50041 [7] Adjustable throughout 360° in 5° steps, or in 90° steps by reversing the notched washer. [8] Adjustable throughout 360° in 5° steps, or in 45° steps by reversing the lever mounting. [9] Value taken with actuation by moving part at 100 mm from the fixing. [10] Limited to 15 million operating cycles for switches with contacts XE3P.

21-21

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8/17/2020