Square D PQ4203G I-Line Busway Plug-In Unit – 30A – 4 Pole – Fusible Bus Plug – 120/208/240V – PQ Series

The Square D PQ4203G is a low-amperage I-Line bus plug designed for residential, commercial, and industrial busway distribution systems. It provides compact, plug-in branch circuit protection with fusible operation and is compatible with I-Line I and I-Line II busway systems. Its modular design allows fast installation and flexible power distribution expansion.

Electrical Ratings

• Current Rating: 30 A
• Voltage Rating: 120 / 208 / 240 VAC
• Phase: 3 Phase
• Circuit Configuration: 3-Phase, 4-Wire
• Poles: 4 Pole
• Interrupting Rating: 200 kA @ 240 VAC
• Fusibility: Fusible
• Application: Busway distribution system

Protection and Function

• Device Type: Fusible bus plug
• Protection Method: Fuse-based overcurrent protection
• Function: Branch circuit protection and load distribution
• Safety Function: High fault-current interruption capability
• Designed for use in modular busway systems

Configuration and Function

• Series: PQ
• Model: PQ4203G
• Connection Type: Plug-in (I-Line busway compatible)
• Frame Type: PQ Frame
• Used On: I-Line I and I-Line II Busway systems
• Sub-category: Busway plug-in fusible switch
• Application: Residential, commercial, industrial power distribution

Mechanical and Physical Characteristics

• Compact plug-in bus plug design
• NEMA 1 rated enclosure
• Supports 4-wire configurations
• Designed for flexible busway system expansion
• Quick installation and replacement capability
• Suitable for low-current branch distribution circuits

Standards and Certifications

• UL Listed
• CSA Certified
• RoHS compliant
• Manufacturer: Square D / Schneider Electric
• Series: PQ Series
• UNSPSC: (not provided)

Features

• 30A fusible bus plug for I-Line systems
• High interrupting capacity up to 200 kA @ 240V
• Plug-in design for fast system integration
• Compatible with I-Line I and I-Line II busway systems
• Compact design for space-saving distribution
• Suitable for commercial and industrial applications
• Reliable branch circuit protection

Returns are easy

You may return items within 30 days of delivery for a refund.

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