9-10. Typical Connections To Supply Standby Power

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

1

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

120/240 Volt

60Hz

Three-Wire Service

2

Load

7

6

120/240 Volt

Single-Phase

Three-Wire

Generator Output

Connection

240 V

 

Obtain and install correct circuit

 

 

 

 

breakers or switch.

120 V

 

5

Extension Cord

 

Select as shown in Section 9-11.

120 V

 

 

6

Generator Connections

 

 

Neutral

 

Connect terminals or plug of ade-

 

safety practices.

 

 

quate amperage capacity to cord.

 

3

Follow all applicable codes and

 

 

 

 

240 V

 

Turn off or unplug all equipment

 

 

connected to

generator before

 

 

starting or stopping engine. When

120 V

 

starting or stopping, the engine has

 

low speed which causes low volt-

 

 

120 V

 

age and frequency.

 

 

7

Load Connections

 

4

 

 

 

CB

 

 

 

 

or

 

Item 4 is not necessary if circuit

F1

 

protection is already present in

 

welding

generator

auxiliary

 

 

 

 

power output circuit.

 

 

5

 

 

 

240 V

 

 

 

 

120 V

 

 

 

 

120 V

 

 

 

 

Ground

 

 

 

 

S-0405-A

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Hobart Welding Products OM-477 manual Typical Connections To Supply Standby Power, 240 120 Ground

OM-477 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding equipment tailored to the needs of both professionals and DIY enthusiasts. Among its distinguished offerings is the OM-477, a versatile multi-process welder designed to excel in a variety of welding applications. This machine integrates an array of features and technologies that cater to both novice and experienced welders.

One of the defining characteristics of the OM-477 is its multi-process capability, which allows users to perform MIG, TIG, and stick welding with ease. This flexibility makes it an ideal choice for a wide range of projects, from automotive repair to light fabrication tasks. The seamless transition between processes is facilitated by a user-friendly interface that simplifies the selection and adjustment of settings, ensuring a smoother workflow.

The OM-477 is powered by a robust, industrial-grade inverter technology that provides high arc stability and increased energy efficiency. This not only enhances performance but also reduces power consumption, making it an environmentally friendly option. Welders can operate at various output ranges, accommodating different materials, including mild steel, stainless steel, and aluminum, thus ensuring versatility in project execution.

Another notable feature of the OM-477 is its portability. Weighing in at a manageable size, this welder is equipped with a durable carry handle, allowing for easy movement between job sites or within the workshop. This characteristic complements its user-friendly setup, making it accessible for individuals of all skill levels.

Safety is a pivotal aspect of the design of the OM-477. It incorporates multiple safety features such as a thermal overload protection mechanism, ensuring that the machine operates well within safe parameters. This is crucial for preventing overheating, thereby extending the welder's lifespan and reducing maintenance costs over time.

Additionally, the OM-477 offers precise control over welding parameters, enabling users to fine-tune their settings for optimal results. Whether tackling thin sheet metal or thicker materials, the welder’s adjustment capabilities ensure a clean, professional finish.

In summary, the Hobart OM-477 stands as a testament to innovative welding technology, combining multi-process functionality, inverter efficiency, portability, and safety into a single machine. It is a reliable tool designed to empower welders at any skill level, making it a worthy addition to any welding arsenal. With the OM-477, Hobart Welding Products continues to champion quality and user satisfaction in the welding industry.