Door switches

KRONENBERG contacts are silver-plated and self-cleaning. The use of high-quality materials ensures a long service life – and thus scheduled maintenance intervals.

Overview

HZTK

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.

Product information

PZ73

PZ73

Door switch and hook lock positive contact

The door contact PZ73 is a safety switch with forced actuation and is used to control the close position of lift doors resp. as switch for locking mechanism at automatic doors.

Product information

DZ73

DZ73

Door switch and hook lock positive contact

The door switch DZ73 is a safety switch with forced actuation and is used to control the close position of lift doors resp. as switch for locking mechanism at automatic doors. The DZ73 uses the same contact inserts as the PZ73, however, has a very narrow oblong design.

Product information

DZRK / DZM21

DZRK / DZM21

Door switch with reed contact

The door switch with additional reed contact DZRK is a safety switch with forced actuation and is used to control the close position of lift doors. The additionally built-in reed contact offers a high protection against manipulation, as it only switches when the special contact bridge with integrated permanent magnet DZM21 is inserted.

Product information

HZ

HZ

Switch for locking mechanism with hook lock

The switch for locking mechanism for hook locks HZ is a safety switch with forced actuation and is preferably used to control the locking of the hook lock at automatic doors. The switch copes as well with longitudinal movements at small swiveling radius of the hook lock.

Product information

HZS

HZS

Door switch with actuation from the small side

The door switch HZS is a safety switch with forced actuation and is used to control the close position of lift doors resp. as switch for locking mechanism at automatic doors.

Product information

RZ / RZ-K

RZ / RZ-K

Sliding door positive contact

The sliding door positive contact RZ is a safety switch with forced actuation and is preferably used to control the close position of two-part doors on service lifts and at roller shutters. The corresponding contact bridge RZ-K has a silver-plated double roller that rolls over the stationary contacts in the RZ and bridges them electrically.

Product information

RZ-50

RZ-50

Sliding door positive contact with long contact travel

The sliding door positive contact RZ-50 is a safety switch with forced actuation and is preferably used to control the close position of two-part doors on service lifts and roller shutters. The version RZ-50 is characterized by a particularly long contact travel. The actuation is made by the contact bridge, which has a silver-plated double roller for bridging the fixed contacts.

Product information

PZ18 / PZ21 / DZ18 / DZ21

PZ18 / PZ21 / DZ18 / DZ21

Contact bridges for door switches

The contact bridges PZ or DZ 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.

Product information

EKB

EKB

Electrical contact bridge EKB

To increase the safety of the service technicians during maintenance and repairs of lift installations, KRONENBERG offers the electrical contact bridge EKB.
The EKB has two contact pins. The distance between the pins can be adjusted using a rotary wheel.
An automatic pulley is used to attach the EKB to the clothing of the service technician so that the EKB cannot get lost or remain at the contact point accidentally.

Product information