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SMARTE Messtechnik für Gleichstrom – Spannung – Kabel – Isolation

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WBex DO4

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

Category: Extension for functional modul Tag: Erweiterung
  • Description
  • General data
  • Technical specifications
  • Function
  • Scope of delivery

Description

WBex DO4 is used to expand a WB component with up to four potential-free changeover contacts.
To do this, the Wbex DO4 component is connected to the internal WB bus.

This can be used, for example, to switch up to 4 actuators or to transmit up to 8 operating states to the SCADA system

General data

supply voltage

Internal WB bus

Input

1W

relative humidity (transport/storage)

30%-70%

outdoor temperature range

-20 bis 50 °C

Degree of protection

IP 00

Mains connection and inputs and outputs:

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

Weight

100g

Technical specifications

Number

4

technology

Relay with 4 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 assemblies is to implement instructions that they receive from other WB components.
Wbex has four independent changeover contacts (NO / NC) and has a dielectric strength of up to 4000VAC.

Scope of delivery

The following items are included in the delivery:

• Operation manual
• Installation Guide
• Circuit board
• Packaging
• Test protocol

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