Kühn Controls

Installation Relays for central control / Staircase Lighting Timer and Power step-on step-off relay COMAT series AL4 AL5

with snap mounting onto T35 type rail are in accordance to DIN standards.

Installation Relays for central control
COMAT Installation Relays for central control

Installation Relays for central control

120 A (peak 20ms)

As a particular and common characteristic the Comat light control devices / staircase lighting timers of the series AL2, AL3, AL4 and AL5 have a twin-contact output with one side of the double contact made of tungsten.
A tungsten contact with its extremely high melting point can conduct exceptionally high currents, i.e. Up to 600 A until, in the case of short-circuit the fuse connected in series triggers.
Or up to 120 A for 20ms, as can appear when switching compensated fluorescent lamps or other gas discharge lamps.
With this characteristic a welding of contacts can be reliably prevented.
The devices in the AL4 and AL5 series are made for central control of switching functions and can also be used for the operation with extra-low voltages:
The professional solution for installations in schools, homes, authorities, industrial environments connected to a control central or to various illuminated push buttons (LED or glow lamps) up to 40mA.
Installation Relays for central control Series Socket type Width

Staircase Lighting Timer for central control 10 A (120A)


DIN 35 35 1 contact 10A (120A)

Power step-on step-off relay for central control 10 A (120A)


DIN 35 35 1 contact 10A (120A)


All relays … (selected by type):

Industrial, interface and installation relays: Timers: Monitoring relays: Compact PLC:
Interface relays
Miniature industrial relays
Standard industrial relays
Industrial relays LONG LIFE
DIN Relays
Solid-state relays (SSR)
Miniature Contactor
Step-on Step-off / Power Relays
Staircase Lighting Timer
Installation Relays for central control
Plug-in time cubes for industrial relays
The Comat CT System
Plug-in time relays
DIN time relays
Multicomat Programmable Plug-in
time delay relays RS, C, CX-series

Multicomat specially timers, Amplifier Relays,
Pulse Shapers, Preset Counters
Voltage monitor
Current monitoring relays
Three-phase monitoring
DC voltage / DC current monitor
Thermo protection relays
SMS Relay
Comat BoxX

more relays type … (alphabetical):

A… up to B…
BoxX controller, Relays, Time Delay Relays, Stair case lighting timer
C… up to C5…
Power miniature relays, LONG LIFE signal and control relays, Time Delay Relays
C6… up to C9…
Timers, Relays, Time Delay Relays, Miniature industrial relay, Control relay
CA… up to CY…
Relays, Time Delay Relays, voltage and current monitor, interface relays
E… up to Z…
Railway Relays, Time Delay Relays, Measuring and monitoring equipments, Thermo protection relay
List of replacement and compatible industry, control, monitoring, time delay relays, sockets MULTICOMAT, COMAT Functions and descriptions for time delay relays Data sheets, documentations and catalogs about products BoxX controller, EDL, Timers, Industrial relays, Monitoring relays, Compact Controller

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