Product Description
HZTK
Door switch and hook lock positive contact
The innovative HZTK is a safety switch with forced actuation which can be used as door switch and switch for locking mechanism. It allows a large sliding area between contact bridge and switch. In addition to the standard design (HZTK-1), a higher version is available (HZTK-2), at which the connection cables can be laid below the switch.
FEATURES:
Safety switch with positive contact.
Use for monitoring the closure position of lift doors resp. as switch for locking mechanism for monitoring the blocking of the hook lock on automatic doors.
Enclosure made of thermoplastic, self-extinguishing.
High contact safety by self-cleaning.
Quiet functioning.
Connection possibilities: sideways and/or underside.
Connecting terminals provided with pressure plate, thus permanent and safe contacting.
Visible contacts through transparent cover.
Integrated fixing screws, captive.
TECHNICAL DATA:
Norms EN 81-20, EN 81-50, EN 60947-5-1
Switching Capacity Ui = 500 V, Ith = 10 A, Uimp = 4 kV, AC-15: Ue = 230 V Ie = 2 A, DC-13: Ue = 200 V Ie = 2 A
Short-Circuit Capacity T10 A, F 16 A
Contact Material Fine Silver
Actuation Force Initial force 0.6 N, Ultimate force 1.2 N
Connection By screw terminal max. 2.5 mm², captive
Level of Protection IP20
Ambient air temperature -30 °C up to +80 °C
Installation Position Any
Weight HZTH-1 = 22 g HZTH-2 = 23 g
ASSOCIATED PRODUCTS:
PZ18 / PZ21 / PZ24
Contact bridges for door switches
The contact bridges PZ are needed to actuate the door switches. Due to different designs and heights and by means of the pads available as option an adaptation to different installation conditions is possible.
Bridge contact are sold separately. They are not supplied with the door contact.