18
Device Description
WAGO-I/O-SYSTEM 750
750-438 2DI NAMUR Ex i
Manual
V 1.2.0
3.2.2
Power Jumper Contacts/Field Supply
Risk of injury due to sharp-edged male contacts!
The male contacts are sharp-edged. Handle the module carefully to prevent injury.
The I/O module 750-438 has 2 self-cleaning power jumper contacts that supply
and transmit power for the field side. The contacts on the left side of the I/O
module are designed as male contacts and the contacts on the right side as spring
contacts.
Table 4: Power jumper contacts
Figure 4: Power
jumper contacts
Connection
Type
Number
Function
1
Blade contact
2
Infeed of the field
supply voltage
(U
V
and 0 V)
2
Spring contact
2
Forwarding of the
field supply voltage
(U
V
and 0 V)
Do not exceed maximum current via power contacts!
The maximum current available from the 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
When configuring the system, ensure that this current is not exceeded. If
exceeded, an additional potential feed module must be used.
