Cooper Bussmann PDB321-3 Power Distribution Block

Description:

The Bussmann PDB321-3 Power Distribution Block is used in electrical power distribution systems for safely splitting and distributing incoming power to multiple branch circuits. Commonly installed in industrial control panels, motor control centers, switchgear assemblies, and manufacturing equipment requiring high-current power distribution up to 175 amps. Maintenance teams and system integrators use this block for replacement, retrofit, expansion, or repair of industrial electrical distribution and control systems.

Applications:

The Bussmann PDB321-3 is commonly used in PLC cabinets, industrial machinery, conveyor systems, OEM control panels, and process automation equipment where multiple loads must be supplied from a single incoming power source. The Bussmann power distribution block features an IP20 finger-safe design and high short-circuit current rating, making it suitable for modern industrial panel construction and UL508A applications.

Technical Specifications:

• Brand: Bussmann by Eaton
• Part Number: PDB321-3
• Product Type: Power Distribution Block
• Current Rating: 175 A
• Voltage Rating: 600 VAC / 600 VDC
• Number of Poles: 3 Pole
• Short Circuit Current Rating (SCCR): 200 kA
• Housing Type: IP20 Finger-Safe Enclosure
• Connector Material: Tin-Plated Aluminum
• Mounting Type: Panel Mount
• Housing Material: Nonmetallic Thermoplastic
• Flammability Rating: UL94 V0
• Operating Temperature: -20°C to +120°C
• Function: Electrical Power Distribution
• Application: Industrial Control Panels and Power Systems
• Product Dimensions: 5.21" W × 3.99" D × 3.20" H
• Product Weight: 1.32 lbs
• Certifications: UL 1953 Listed, CSA Certified, RoHS Compliant

Common Replacements:

• Bussmann PDB323-3 Power Distribution Block
• Mersen FSPDB2A Power Distribution Block
• Square D 9080LBA364108 Power Distribution Block