Contax POWER MODULE SYSTEM Bedienungsanleitung PDF herunterladen (Seite 29)

Redline

D.28

Comfort functions

Function

Reducing the voltage to a very low

(safety) voltage used mainly as

control-voltage in order to reduce

the risk of electrocution due to

environmental circumstances

(I.e. high degree of humidity like out-

doors, in a swimming pool complex,

etc.).

Approvals

(1)

(1) Depending on the type

Series T

Applications

Going from supplying power to a bell circuit, to supplying power to the

control circuit of impulse switches, relays or contactors for the control of

lighting, heating, etc.

Features

Safety transformers have short-circuit protection and continuous nominal

power. Bell transformers are recommended for intermittent use at the

nominal power declared (50% for continuous use). Devices with integrated

on/off switch or with integrated buzzer are available. Complete noiseless

operation. Full power available at all secondary voltages. The safety

terminals are equipped with captive Pozidriv screws and have IP20

protection degree.

Standards

IEC 61558-1-2-6: Safety transformer

IEC 61558-1-2-8: Bell transformer

More technical data

Dimensions

website

pg D.47

Transformers

Performance

Nominal primary voltage and frequency

Secondary voltage at nominal primary voltage

Maximum secondary voltage at zero load

Minimum secondary voltage at nominal load

Maximum load

Short-circuit protection

Operating temperature

Isolation voltage

Protection degree

Screw

Terminal capacity: min

max

Bell transformer

230V 50Hz / 240V 60Hz

8 or 12V

1.5xUn sec.

0.85xUn sec.

Nominal power

PTC

-20…+40°C

4kV

IP 20

Pozidriv 1

1x1mm

1x16mm

or 2x6mm

Safety transformer

230V 50Hz / 240V 60Hz

12 or 24V

1.05xUn sec.

1xUn sec.

Nominal power

PTC

-20…+40°C

4kV

IP 20

Pozidriv 1

1x1mm

1x16mm

or 2x6mm

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 51 52

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