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TWILIGHT SWITCH WZM-01/SOS 

INSTRUCTION MANUAL

ZAMEL 

Sp. z o.o.

ul. Zielona 27, 43-200 Pszczyna, Poland

tel. +48 (32) 210 46 65, fax +48 (32) 210 80 04

www.zamelcet.com

, e-mail: [email protected]

VER. 001_24.08.2011

APPEARANCE

The device is designed for 

one-phase installation and 

must be installed in accordan-

ce with standards valid in a 

particular country. The device 

should be connected accor-

ding to the details included in 

this instruction manual. Installation,connection 

and control should be carried out by a quali-

fied  electrician  staff,  who  act  in  accordance 

with the instruction manual and the device 

functions. Disassembling of the device is equal 

with a loss of guarantee and can cause elec-

tric shock. Before installation make sure the 

connection cables are not under voltage. The 

cruciform head screwdriver 3,5 mm should be 

used to instal the device. Improper transport, 

storage,and  use  of  the  device  influence  its 

wrong functioning. It is not advisable to instal 

the device in the following cases: if any device’s 

part is missing or the device is damaged or de-

formed. In case of improper functioning of the 

device contact the producer.

CAUTION

FEATURES

TECHNICAL DATA

DESCRIPTION

WZM-01/SOS

Input terminals: L, N

Input  rated voltage: 230 V AC

Input voltage tolerance: -15 ÷ +10 %

Nominal frequency: 50 / 60 Hz

Rated power consumption: 24 mA

Input  rated indicator: LED green

Light sensor terminals: IN, IN

Maximum cable lenght: 50 m (MTY 2x 0,5 mm

2

)

Threshold adjustment range: 0 ÷ 200 lx (otating potentiometer)

Relay indicator: LED red

Output contacts parameters: 1NO/NC - 16 A / 250 V AC1 4000 VA

Number of terminal clamps: 7 (WZM-01); 2 (SOS-01)

Section of connecting cables: 0,2 ÷ 2,50 mm

2

Ambient temperature range: -20 ÷ +45 

o

C

Operating position: free

Mounting: TH rail 35 (PN-EN60715) (WZM-02), 

2 rawlplugs 6 x (3,5 x 35) (SOS-01)

Casing protection degree: IP20 (WZM-01);  IP54 (SOS-01)

Protection level: II

Overvoltage category: II

Pollution degree: 2

Surge voltage: 1 kV (EN 61000-4-5)

Dimensions: monomodular (17,5 mm) 90 x 17,5 x 66 mm (WZM-01) 

84 x 68 x 43 mm (SOS-01)

Weight: 0,075 kg (WZM-01); 0,05 kg (SOS-01)

Reference standards: EN 60669-1, EN 60669-2-1

EN 61000-4-2,3,4,5,6,11

●  Receivers controll depending on illumi-

nous flux density

●  Input rated indicator

●  Relay indicator

●  Smooth switch on threshold regulation

●  Wide  switch  on  threshold  adjustment 

range (from 0 to 200 Ix)

● 

Outer illuminous flux density sensor 

SOS-01 - in a set

●  Resistant to momentary changes of il-

luminous flux density

●  Switch threshold hysteresis

●  Relay  output  –  one  switch  contact  of 

maximum relay capacity 16A

The twilight switch WZM-01/SOS is 

used to control lighting devices or other 

energy receivers depending on illuminous 

flux  density.  The  system  switches  on  the 

lighting at dusk and switches off at dawn.

The switching on threshold can be smooth-

ly adjusted by the user. The system is 

resistant to momentary changes of illumi-

nous  flux  density,  which  guarantees  reli-

ability. External illuminous flux density sen-

sor SOS-01 (in a set)transmits the signal to 

the twilight switch WZM-01 

Sensor connecting cable of 50m maximum 

lenght enables the sensor to be put in a 

suitable place

Input rated indicator

Input termianal (L)

Input terminal (N)

Relay indicator

Output relay terminals 
(11,12,14)

Lighting sensor input 

terminals (IN, IN)

The symbol stands for selective 

collection of electrical and 

electronic devices.  

Placing used devices with other 

waste is not allowed

Illuminating sensor

Output 

terminals (IN, IN)

Switch on threshold 
adjustment

LDR (light depen-

ding resistor)

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