PCBA Board WBex
WB-TVM-750 / WB DO

WBex DO2 PCBA with two digital changeover contacts.

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Extension of a WB component by up to two potential-free changeover contacts

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Description

WBex DO2 is an extension of a WB component by up to two potential-free changeover contacts. The extension is connected to the internal WB bus for this purpose.

The extension can be used, for example, to switch actuators potential-free. It can also send a status signal to a SCADA system.

General data

Supply voltage

Internal WB bus

Power consumption

1W

Relative humidity(transportation/storage)

30%-70%

Outdoor temperature range

-20 to 50 °C

Protection class

IP 00

Grid connection and

Inputs and outputs:

– Screw terminals, pluggable Stripping length: 7 mm
– Push-in terminals, pluggable Stripping length: 10 mm
The following conductor cross-sections are permitted:
– solid: 0.25 to 2.5 mm2
– finely stranded with pin cable lug, crimped gas-tight: 0.25 to 2.5 mm²
– two-wire, with ferrule: 0.5 to 1.5 mm
– tightening torque: 0.5Nm- 0.6Nm2

Weight

100g

Technical data

Digital outputs

Quantity

2

Technology

Relay with 2 separate changeover contacts (NC/ NO)

Switching voltage

0-250VAC

Maximum switching voltage

300VAC

Switching current

max. 12A

Switching capacity

Max. 3000VA / 60W

Switching cycles at Imax

100000

Dielectric strength coil-contact

Max. 4000VAC

Dielectric strength with open contact

Max. 1000VAC

Function

The function of the Wbex modules is to implement instructions that it receives from other WB components.

Wbex has two independent outputs, each with two changeover contacts (NO / NC) and has a dielectric strength of up to 4000VAC.

Scope of delivery

The following items are included in the delivery:

– Operating instructions
– Installation instructions
– Printed circuit board
– Packaging
– Test report

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