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3

TZKM/TZKF

Operating instructions

Solenoid interlock

EN

2.4  Technical data

Standards:

IEC 60947-5-1; EN 1088; EN ISO 13849-1; 

BG-GS-ET-19

Enclosure:

glass-fibre reinforced thermoplastic

Actuator and locking bolt:

Galvanised steel / zinc die-cast

Protection class:

IP 67, IP 65  only with ordering suffix …NN 

and …NF

Contact material:

Silver

Contact types:

Changeover contact with double break, 

galvanically separated contact bridges

Switching system:

to IEC 60947-5-1; slow action, positi-

ve break NC contact

Termination:

Screw terminals

Cable type:

solid and stranded wire

Cable section:

min. 0.5 mm

2

, max. 2.5 mm

2

, (max. 1.5 

mm

2

 with conductor ferrules); compo-

nents with 4 contacts: min. 0.5 mm

2

max. 1.5 mm

2

 (incl. conductor ferrules)

Cable entry:

2 x M20 x 1.5

U

imp

:

4 kV components with 4 contacts or 3 

contacts with LED: 1.5 kV

Ui:

250 V components with 4 contacts or 3 

contacts with LED: 60 VAC

I

the

:

4 A

Utilisation category:

AC-15, DC-13

I

e

/U

e

:

4 A / 230 VAC; 4 A / 24 VDC; compo-

nents with 4 contacts or 3 contacts with 

LED: AC-15: 4 A / 60 VAC

Max. fuse rating:

4 A gG D-fuse (DIN EN 60269-1)

Positive break travel (un-

locked):

2 x 3.5 mm

Positive break force (un-

locked):

20 N

Magnet:

100 % ED

U

s

:

24 VDC, 24 VAC 50/60 Hz, 48 VAC 

50/60 Hz, 110 VAC 50/60 Hz, 230 VAC 

50/60 Hz

Power consumption:

max. 8.5 W

Actuating speed:

max. 20 m/min

Max. actuating frequency:

1,200 s/h

Ambient temperature:

0 °C … + 50 ºC

Mechanical life:

1 x 10

operations

F

max

:

1950 N

Latching force:

20 N

2.5  Safety classification

Standards:

EN ISO 13849-1

B

10d

 (NC contact):

2,000,000

B

10d

 (NO contact) at 10% ohmic 

contact load:

1,000,000

Service life:

20 years

MTTF

B

d x

x

h

s/h

3600

d

10d

op

op

op

n

0,1 x n

op

t

cycle

(Specifications can vary depending on the application-specific parame-

ters h

op

, d

op

 and t

cycle

 as well as the load.)

3  Mounting

3.1  General mounting instructions

Three mounting holes are provided for fixing the enclosure. The soleno-

id interlock has double insulation. The use of a protective ground con-

nector therefore is not authorised. The solenoid interlock must not be 

used as an end stop. Any mounting position, provided that the ingress 

of dirt and soiling in the used opening is avoided. In case of painting 

activities, the components must be covered. In case of horizontal fitting, 

the cover plate (figure 1) located at the rear side of the actuating head 

must be removed. If a different actuating direction is desired, the four 

screws of the actuating head must be unscrewed. Turn the actuating 

head in the desired direction and retighten the screws. (Tightening 

torque 0.5 Nm). The default screws in the actuating head can be repla-

ced with the supplied tamperproof screws. For power-to-unlock compo-

nents (TZKF...), the actuator must be inserted when the actuating head 

is turned. For fitting the components onto profile, the TZK/APL.. (figure 

2) mounting plate must be used. After the assembly, the mounting plate 

must be fixed (e.g. by pinning).

Please observe the remarks of the standards EN ISO 12100, 

EN 953 and EN 1088.

When used in ambient temperatures > 40°C, the solenoid 

interlock must be protected against contact with inflammable 

materials or inadvertent personal contact.

Figure 1

Figure 2

3.2  Dimensions

All measurements in mm.

22,5

29,5

12

44

13

32

2,3

4,5

12

12

17,5

23,5

11

6

6

22

M 20

6

72

35

15

6

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