Eaton PDB323-3 Power Distribution Block - IP-20 Finger-safe
Part Number: PDB323-3
Quick Summary
The Eaton PDB323-3 power distribution block is a panel-mounted solution that provides safe, reliable power distribution for industrial control panels. Engineers often wrestle with space constraints, wiring complexity, and insufficient SCCR when expanding feeder connections, risking downtime and safety gaps. This device delivers IP-20 finger-safe protection, a 600 Vac/600 Vdc rating, and a short-circuit current rating up to 200 kAIC (with appropriate conductor sizes), helping meet stringent safety and reliability requirements. By streamlining wiring and enhancing fault protection, it supports scalable automation architectures while aligning with Eaton Bussmann-series components for consistent performance and easier maintenance across the panel stack.
Product Information
Extended Description
PDB323-3 Eaton: Eaton Bussmann series PDB power distribution block, IP-20 Finger-safe, 600 Vac, 600 Vdc, 310 A, Three-pole, SCCR: 200 kA (8 To 4 AWG), 100 kA (12 To 4 AWG), Panel, Tin-plated aluminum connectors
Product Name
Eaton Bussmann series PDB power distribution block
Catalog Number
PDB323-3
UPC
051712637817
Product Length/Depth
6.5 in
Product Height
3.74 in
Product Width
5.5 in
Product Weight
2.7 lb
Warranty
Not Applicable
Compliances
Contact factory RoHS Compliant
Amperage Rating
310A
Short-circuit rating
SCCR: 200 kAIC (#6-2 AWG), 100 kAIC (#14-2 AWG)
Voltage rating
600 Vac, 600 Vdc
Material
Tin plated aluminum connectors
Number Of Poles
Three-pole
Type
Power distribution block
Mounting
Panel
Special features
IP-20 Finger-safe
Feature → Business Impact → Application: 310 A amperage rating enables higher-load feeders without adding separate blocks, reducing panel real estate and installation time, ideal for motor drives and PLC power rails. Application: mid- to high-load control panels. Feature → IP-20 Finger-safe → Enhanced technician safety and compliance with safer wiring practices, reducing risk during assembly and service. Application: enclosure interiors and field service. Feature → 600 Vac / 600 Vdc rating → Supports both AC power rails and DC bus sections, enabling unified distribution for mixed automation architectures. Application: drive systems and DC bus applications. Feature → Three-pole design → Simplified three-phase wiring with fewer parts, improving reliability and reducing wiring errors. Application: three-phase motor control centers and automation cabinets. Feature → Tin-plated aluminum connectors → Robust, corrosion-resistant connections with good torque retention, enhancing long-term reliability in dusty or damp environments. Application: harsh industrial environments. Feature → Panel mounting → Quick integration with standard enclosures and snap-in layouts, reducing installation steps and improving serviceability. Application: retrofit projects and new builds. Feature → SCCR up to 200 kAIC (for heavier conductors) / 100 kAIC (for lighter conductors) → Strong fault protection aligned with typical industrial short-circuit demands, minimizing system-wide disruption. Application: power distribution rails feeding motors and drives. Feature → RoHS compliance per factory guidance → Supports regulatory compliance programs and supplier sustainability goals, with material choices suitable for modern automation environments. Application: OEM and system integrator projects with strict material compliance.
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FAQs
Mount the PDB323-3 on a panel-ready surface using standard enclosure channels, ensuring proper clearance for wiring and ventilation. Route conductors per NEC/IEC guidelines, tighten tin-plated aluminum connectors to manufacturer torque specs, and verify insulation in cross-connecting zones. For best performance, align feeders with the device’s three-pole layout and confirm compatibility with #6-2 AWG and #14-2 AWG conductors to meet the SCCR requirements.
The PDB323-3 offers an SCCR of up to 200 kAIC for #6-2 AWG conductors and 100 kAIC for #14-2 AWG conductors. This enables robust short-circuit protection for higher-current feeders while maintaining safe operation in typical industrial automation environments. Always verify field wiring configurations to ensure the correct SCCR for your specific use case.
Yes, RoHS compliance is indicated via factory guidance for the PDB323-3. This means materials and soldering processes align with established RoHS limits, supporting regulatory adherence and sustainability goals. The device uses tin-plated aluminum connectors, which provide corrosion resistance and long-term reliability in industrial environments while meeting these compliance expectations.
Ideal for panel-level power distribution in automated control environments, the PDB323-3 supports 310 A loads in three-phase systems and accommodates 600 Vac and 600 Vdc rails. It is well-suited for motor drives, PLC power rails, and automation cabinets where IP-20 finger-safe protection, reliable torque connections, and compact panel footprint are critical for efficient, scalable installations.
Regular visual inspection of tin-plated aluminum connectors for signs of oxidation or looseness is recommended. Maintain proper torque at connections and ensure climate control within enclosures to minimize corrosion risk. The device’s rugged construction and RoHS-compliant materials support long service life, reducing rework and replacement costs in high-traffic control panels.