hager TH020B User Instructions Download Page 1

1

Manual local control

Press ON/OFF key of relay output to 
be set.

Reset

Press RESET key to reset device 
to factory setup using pointed object
(such as ball point end), during 
3 seconds mini.

Voice assistance

Position the cursor on the selected 
language.   
(3 languages are available). 

6T 6070-01a

Phone

On/off

OUT 1

Power

English

Reset

On/off

OUT 2

On/off

OUT 3

Espanõl
Português

Phone

On/off

OUT 1

Power

English

Reset

On/off

OUT 2

On/off

OUT 3

Espanõl
Português

TH020B

TH020B

5

2

1

4

3

6

Product description 

Œ

Power indicator: product power supply.



Telephone jack indicator.

Ž

ON/OFF key: local control of output relay  
override.



Relay status indicator 
- Indicator ON = Relay ON
- Indicator OFF = Relay OFF



Language selection cursor

‘

RESET key: resetting to factory setup   
+ Power indicator flickering

Start-up 

Reset

Electric connection

Technical specifications

Electrical characteristics

Power supply: 

230 V AC ± 15%  50/60 Hz

Consumption: 

< 2 W

Analogue Telephone Line: 

48V DC

Output relays: 

250V/0,5A AC1

Alarm inputs: 

1 input 0-30 V AC/DC, 5mA mini
Switching threshold: 7V, +/- 1V
1 input 0-230V AC, 5mA mini
Switching threshold: 100 V, +/-40%

Temperature input: 

CTN 10 kOhm

Temperature measurement accuracy:

±1°C

Battery autonomy: 

4 hours

Charge time: 

72 hours

Size

5 modules

Environment

Operating T°: 

0 °C to +50 °C

Storage T°: 

-20 °C to +70 °C

Class of insulation:  

II

Protection Index:  

IP 20

Connection 

Capacity: 

flexible /rigid conductor:  1x 0,75 mm

2

mini

2x 2,5 mm

2

max

Standards

• EN 60950-1, EN 60669-1, EN 60669-2-1 

The telephone remote control is assembled on
DIN rail in the modular electrical box. 

Lightning protector of telephone line input is
recommended. 

**

Recommended temperature probe : EK081,
EK083, EK086

English 

Espanõl 
Português   

-
-
-

On/off

OUT 1

Inputs:    IN 1 : 0-30V AC/DC  - 5mA min.

IN 2 : 0-230V AC - 5mA min.
Use BT/TBT interface relay 

Outputs: OUT 1, 2, 3 : relays 0,5A, AC1

Phone

On/off

OUT 1

Power

English

Reset

On/off

OUT 2

On/off

OUT 3

Espanõl
Português

Phone

On/off

OUT 1

Power

English

Reset

On/off

OUT 2

On/off

OUT 3

Espanõl
Português

TH020B

...

Product presentation

The device allows the user: 
• To remotely switch on/off 3 electric circuits (lighting, heating, shutters, spraying, etc.) from any 

fixed or GSM portable telephone

• To display room temperature and circuit states in your home at any time
• To receive a call from the device with voice message on any technical alarm triggering (freezer 

breakdown, network failure, temperature falling below 10°C, etc.). 

A voice device will assist the user in remote control operation. 
Only users with confidential access code may operate the telephone remote control device.

Alarm inputs

Nr 1
Nr 2

Temperature probe 

&

Alarm inputs 

Analogue telephone

line (PSTN) input 

230 V AC power supply

&

Network failure detection

Heating
Shifting form programming
mode to frost-free mode

Lighting
Switch on/off
Intrusion simulation…

Rolling shutters

Up/down

Other controls
spraying, pump, …

Voice assistance

User recorded messages

§

Telephone Remote Control and
Transmitter with Voice Assistance

User’s Instructions

Tel. 

*

L
N

TH020A / B / C

11 12 13 14 15 16 17 18 19 20

1

OUT 1

IN 1

IN 2

TEL

T

°

C

OUT 2

OUT 3

LN

24V 

AC/DC

230 V 

AC

234 5 67 8 9 10

Filtre 

ADSL

Modem 
ADSL
(optionnel)

Tel.

*

Temperature
probe
CTN 10 k Ω
(optional) 

**

ADSL
Filter

ADSL
Modem
(Optional)

TH020B

Please provide separate tracking
for power supply cables and 
temperature sensor cable. 

All configured parameters (such as
access code, user voice messages,
delay periods, etc.) will be cleared 
and reset to default values. 
Output relays are in idle state, 
alarms are deactivated. 
The factory access code is 

0000

.

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