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6LE007713B

01

WBMDUR

Rotary dimmer

Hager Electro Pty. Ltd., Unit 17/2-8 South Street, RYDALMERE NSW 2116, AUSTRALIA

 The terminal block must be mounted in either 

its original shipped position or on the rear of the 

module by means of the enclosed cable tie.

(1)  Rotary knobs
(2)  Retaining lugs for Rotoloc

®

 fastening

(3)  Connection cable
(4)  Terminal block

Function

Correct use

 - Switching and dimming of incandescent lamps, 

HV halogen lamps and dimmable 230 V LED 

lamps; electronic transformers with low voltage 

halogen lamps.

 - Unsuitable for fans and motors
 - Suitable for indoor use only, but no drip and no 

spray water.

 - Suitable for Hager Rotoloc switch plates only

Product characteristics

 -

Phase cut-off dimmers

 - Wide dimming range down to the lowest 

brightness for many lamps

 - Programmable minimum brightness
 -

Additional configurable functions

 -

Automatic storage of the switch-off brightness 

level as switch-on brightness level

 - Electronic short circuit, overload and thermal 

protection

 - Multi-way dimming available only with use of 

the WBMSLL slave mechanisms

 - Non volatile device settings

Control

Fig. 3: Rotary dimmer operation

Load 

state

Action

Result

OFF

Short press  

rotary knob

Switch 

ON

 with saved 

switch-on brightness 

level.

> 0% Short press  

rotary knob

Switch 

OFF

 and save 

brightness as switch-

on brightness level.

> 0% Turn rotary knob 

anticlockwise

Dim down the light.

> 0% Turn rotary knob 

clockwise 

Dim up the light.

Table 1: Rotary dimmer operation

Fig. 4: Optional slave unit operation

Load 

status

Action Result

OFF

Short 

press of 

push- 

button

Switch 

ON

 with saved switch-

on brightness level.

> 0%

Short 

press of 

push- 

button

Switch 

OFF

 and save bright-

ness as switch-on brightness 

level.

> 0%

Long 

press of 

button

With every long push- 

button operation within 12 sec: 

Dimming with alternating direc-

tion, otherwise device will dim 

up, until max. level is reached.

Table 2: Operation on slave unit / push-button

Adjusting the minimum brightness for the 

rotary dimmer

The minimum brightness level can be adjusted to 

prevent poor switch-on behaviour or flickering of 

the load in the lower dimming range.

 

„

Switch off load.

 

„

Press and hold rotary knob for approx 10 

seconds.

The load will flash once after 3 seconds and 

then flash a second time after 10 seconds.

 

„

Release the rotary knob.

The device is in fine adjustment mode for the 

minimum brightness level and the lamp is 

switched on at the minimum brightness level.

 Depending on the lamp, the minimum bright-

ness level of the lights installed may be too 

low and the lights may appear off, gradually 

increase the brightness level by rotating the 

knob clockwise.

 If no actions are performed within 10 seconds, 

the dimmer exits programing operation.

 

„

Gradually turn the rotary knob anticlockwise.
This reduces the minimum brightness.

 

„

Gradually turn the rotary knob clockwise.
This increases the minimum brightness.

 

„

Once desired min lighting level is reached, wait 

10 seconds for device to store the setting.

The load will be switched off, the dimmer re

-

turns to normal operation.

Configurable additional functions

The additional functions can be configured by 

pressing the rotary dimmer for the required number 

of times.

Kick-start

A short voltage burst when lamp is initially turned 

on to support lamp start-up.

Reduced maximum brightness

A non-adjustble voltage reduction for suppressing 

flickering at maximum brightness.

Recovering the previous load state when power 

is restored after a power cut

The status of the load prior to power loss will be 

restored at power-on.

Configuration additional functions

 

„

Switch off load.

 

„

Press and hold rotary knob for approx 10 

seconds.

The load will flash once after 3 seconds and 

then flash a second time after 10 seconds.

 

„

Release the rotary knob.

The device is in fine adjustment mode for the 

minimum brightness level and the lamp is 

switched on at the minimum brightness level.

Safety instructions

Electrical equipment must only be installed and 

assembled by a qualified electrician in accord

-

ance with the relevant installation standards, 

guidelines, regulations, directives, safety and ac-

cident prevention regulations of the country.
Failure to comply with these instructions may re-

sult in damage to the device, fire or other hazards.
Hazard due to electric shock. The device is not 

suitable for safe disconnection of the mains sup-

ply. Even when the device is switched off, the 

load is not isolated from the mains supply.
Do not connect non-dimmable lamps, their trans-

formers or operating devices. Observe manufac-

turer's data.

These instructions are an integral component of 

the product and must be retained by the end user.

Design and layout of the device

(2)

(1)

(3)

Fig. 1: Front view

(2)

(3)

(4)

Fig. 2: Rear view

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