10-10. Typical Connections To Supply Standby Power

.Customer-supplied equipment is required if generator is to supply standby power during emergencies or power outages.

YHave only qualified persons perform these connections according to all applicable codes and safety practices.

1Power Company Service Meter

2Main and Branch Overcurrent Protection

3Double-Pole, Double-Throw Transfer Switch

1

 

 

Obtain and install correct switch.

240 V

 

Switch rating must be same as or

 

 

 

 

greater than the branch overcurrent

 

 

 

 

 

 

protection.

 

120/240 Volt

120 V

 

4

Circuit Breakers or Fused

60 Hz

 

 

Disconnect Switch

Three-Wire

120 V

 

Obtain and install correct switch.

Service

 

 

 

 

 

 

 

 

 

5

Extension Cord

 

Neutral

 

Select as shown in Section 10-11.

2

3

6

Generator Connections

 

 

240 V

 

Connect terminals or plug of ade-

 

 

quate amperage capacity to cord.

 

 

 

Follow all applicable codes and

 

 

 

safety practices.

Load

120 V

 

Turn off or unplug all equipment

 

 

120 V

 

connected to

generator before

 

 

 

 

starting or stopping engine. When

 

 

 

 

 

 

starting or stopping, the engine has

 

 

4

low speed which causes low volt-

7

 

age and frequency.

 

 

7

Load Connections

 

 

 

 

 

CB

 

 

 

 

 

or

Item 4 is not necessary if circuit

 

 

F1

protection is already present in

 

 

welding

generator

auxiliary

 

 

 

power output circuit.

 

6

 

5

 

 

 

 

 

 

 

 

 

240 V

 

 

 

 

120/240 Volt

120 V

 

 

 

 

Single-Phase

 

 

 

 

 

Three-Wire

120 V

 

 

 

 

Generator Output

 

 

 

 

 

Connection

Ground

 

 

 

 

S-0405-A

OM-498 Page 39

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Hobart Welding Products 1435 manual Typical Connections To Supply Standby Power