Miller Electric Metro 250D manual Typical Connections to Supply Standby Power

10.10 Typical Connections to Supply Standby Power

1Power Company Service Meter

2Main and Branch Overcurrent Protection

3Double-Pole, Double-Throw Transfer Switch

Obtain and install correct switch. Switch rating must be same as or greater than the branch overcurrent protection.

4Circuit Breakers or Fused Disconnect Switch

Obtain and install correct switch.

5 Extension Cord

Select as shown in Section 10.11. 6 Generator Connections

Connect terminals or plug of ade- quate amperage capacity to cord. Follow all applicable codes and safety practices.

Turn off or unplug all equipment connected to generator before starting or stopping engine. When starting or stopping, the engine has low speed which causes low volt- age and frequency.

7 Load Connections

S-0405-A

.Customer-supplied equipment is required if

generator is to supply standby power during emergencies or power outages.

1	240 V
120/240 Volt	120 V
60 Hz
Three-Wire	120 V
Service
2	Neutral	3
	240 V
Load	120 V
	120 V
7		4
		CB
		or
		F1
		5
6
	240 V
120/240 Volt	120 V
Single-Phase
Three-Wire	120 V
Generator Output
Connection	Ground

44 OM-402