Square D I-Line II Busway Plug-in Unit (PQ3603GRA)
The Square D PQ3603GRA is a fusible busway plug-in unit from the I-Line II Series, engineered for power distribution in commercial and industrial facilities. Designed for use with I-Line II busway systems, this unit provides a safe, reliable tap-off point for branch circuit protection.
Specifications
- Series: I-Line II
- Model: PQ3603GRA
- Amperage: 30A
- Voltage Rating: 600V AC
- Interrupting Rating: 200 kA
- Fuse Type: H/K/J
- Termination: Copper (CU) Lug
- Poles: 3-Pole
- Wires: 4-Wire
- Dimensions: 14.92 H x 10.47 W x 4.65 D in.
Key Features
- High 200 kA interrupting rating for demanding industrial environments
- Fusible design with H/K/J fuse compatibility
- Copper lug terminations for reliable electrical connections
- 3-pole, 4-wire configuration for 3-phase power distribution
- Plug-in design for easy installation and maintenance on I-Line II busway
Applications
Used in commercial and industrial power distribution systems where busway is employed for main or sub-feed circuits. Suitable for manufacturing plants, data centers, commercial buildings, and industrial facilities requiring high-capacity, high-interrupting-rating branch circuit protection.


