Generator AC Lead Connections

Standby Generator Sets

General Information

See “Voltage Codes”. This generator may be rated at any one of three voltages, either single-phase or three-phase. The electrical wires in the unit’s AC con- nection (lower) panel should be installed according to the number of leads and the voltage/phase required for the application. If there are any questions regard- ing lead connection, refer to the wiring diagrams at the back of this manual.

Voltage codes apply to the type of stator assembly installed on a particular generator.

FOUR-LEAD, SINGLE-PHASE STATOR

Four-lead generators (see Figure 7.1) are designed to supply electrical loads with voltage code “A” (240V, 1-phase, 60 Hz). Electrical power is produced in the stator power windings. These windings were con- nected at the factory to the main circuit breaker as shown in Figure 7.1.

The rated voltage between each circuit breaker ter- minal is 240V. The rated voltage between each circuit breaker terminal and the neutral point 00 is 120V.

Figure 7.1 — Four-lead, Single-phase Stator

ALTERNATOR POWER WINDING CONNECTIONS

3-PHASE ALTERNATORS

The generator is designed to supply 3-phase electri- cal loads. Electric power is produced in the alterna- tor power windings. These windings were connected at the factory to the main circuit breaker with a “Y” configuration as shown in Figures 7.2 and 7.3.

The rated voltage between circuit breaker terminals E1-E2, E1-E3 and E2-E3 is either 480V or 208V depending on the model.

The rated voltage between each circuit breaker termi- nal and the neutral point 00 is either 277V or 120V depending on the model.

Figure 7.2 — Stator Power Winding

Connections - 3-phase, 277/480V (6 Lead)

S1	E1
INTERNAL
CONNECTIONS
			L-L
S6	S4
		NEUTRAL
		NEUTRAL
	S5
E3 S3		S2	E2
		S2	E2

L-N

Figure 7.3 — Stator Power Winding

Connections - 3-phase, 120/208V (6 Lead)

S1 S1

	S4		S4		L-L
				00 (NEUTRAL)
	S6		S5

S3	S6	S5		S2

E3	S3			E2
				S2

L-N

7-1

08/05

0 .Rev ACConn001

005221-0 specifications

Generac Power Systems 005221-0 is a highly reliable portable generator that stands out in the market for its efficiency and advanced features. Designed for both home and recreational use, this generator delivers power when it's needed most, ensuring that users can stay connected and maintain their activities during power outages or job sites without electricity.

One of the main features of the Generac 005221-0 is its robust engine design. It is powered by a reliable OHV (Overhead Valve) engine that offers a consistent power output while maintaining fuel efficiency. This design ensures that the generator can run for extended periods, making it perfect for emergency situations or outdoor events.

The generator boasts a versatile power output, with a maximum capacity of 3,500 running watts and 4,500 starting watts. This level of output allows it to handle essential appliances like refrigerators, lights, and sump pumps, as well as power tools and other higher-demand equipment. The inclusion of multiple outlets, including both 120V and 30A twist-lock outlets, provides flexibility in power distribution, catering to different user needs.

One notable technology incorporated in the Generac 005221-0 is the PowerRush Technology, which offers an extra boost of power for starting larger appliances. This means that users can simultaneously power multiple devices without experiencing any performance dips. Furthermore, the generator is equipped with features that enhance user convenience, including an easy-to-read LED dashboard that displays key information such as power output and oil levels.

Durability and portability are other key characteristics of this generator. It features a compact and lightweight design combined with a sturdy frame and rubberized handle for easy transport. The never-flat wheels ensure that it can be moved easily across various terrains, making it suitable for job sites, camping trips, and other outdoor uses.

In terms of safety, the Generac 005221-0 is designed with an integrated circuit breaker to prevent overloads, as well as a low-oil shutdown feature that stops the engine when oil levels are critically low. This ensures that the generator operates safely and extends its lifespan.

Overall, the Generac Power Systems 005221-0 is an excellent choice for those in need of a dependable, efficient, and versatile portable generator. Its combination of innovative technology, robust features, and user-friendly design makes it a valuable asset for any home or outdoor enthusiast.

Generac Power Systems 005221-0 Generator AC Lead Connections, FOUR-LEAD, SINGLE-PHASE Stator

Models: 005221-0