Eaton 16021-4 Power distribution block - UL 94-V0
Part Number: 16021-4
Quick Summary
Eaton Bussmann series power distribution block is a compact four-pole device that distributes power in control panels and industrial equipment. Engineers often face crowded enclosures and mixed wiring protocols; this block simplifies wiring with a predictable five-slot layout and a rugged molded thermoplastic housing, reducing install time and field errors. It carries UL 94-V0 flammability, RoHS compliance, and supports up to 175 A at 600 Vac or 600 Vdc, making it suitable for harsh industrial environments. For panel builders and maintenance teams, the combination of compact footprint, reliable performance, and straightforward installation translates to faster assembly, lower risk, and reduced lifecycle costs. This product integrates seamlessly with Eaton Bussmann series lineups for enhanced system compatibility and procurement efficiency.
Product Information
Extended Description
16021-4 Eaton: Eaton Bussmann series power distribution block, Flammability Rating UL 94-V0, 600 Vac, 600 Vdc, 175 A, Four-pole, Black, Molded Thermoplastic
Product Name
Eaton Bussmann series power distribution block
Catalog Number
16021-4
UPC
051712148504
Product Length/Depth
6.5 in
Product Height
2 in
Product Width
3 in
Product Weight
0.98 lb
Warranty
Not Applicable
Compliances
Contact factory RoHS Compliant
Certifications
Contact Manufacturer
Amperage Rating
175A
Voltage rating
600 Vac, 600 Vdc
Color
Black
Material
Molded thermoplastic
Number Of Poles
Four-pole
Type
Power distribution block
Application
Power distribution
Special features
Flammability Rating UL 94-V0
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Hydraulic Warranty
Eaton Specification Sheet - 16021-4
Feature: Four-pole design with a 175 A amperage rating. Business Impact: Handles high current demands while maintaining clean, organized terminations, reducing wiring complexity and potential hot spots. Application: Ideal for main distribution or subfeed blocks in control panels and automation racks. The integration supports long-term reliability in varied industrial loads. Long-tail keywords: four-pole power distribution block, 175A distribution module. Feature: Voltage rating of 600 Vac and 600 Vdc. Business Impact: Wide compatibility with industrial machinery and DC systems, enabling a single block to serve mixed supply environments and reducing inventory variety. Application: Suitable for machine controls, CNCs, and process automation cabinets. Long-tail keywords: 600 Vac/600 Vdc distribution block, dual-voltage block. Feature: Flammability rating UL 94-V0 and RoHS compliance. Business Impact: Improves safety certifications and regulatory alignment, aiding audits and reducing compliance risk. Application: Ideal for safety-critical panels and equipment in regulated facilities. Long-tail keywords: UL 94-V0 power block, RoHS compliant distribution component. Feature: Molded thermoplastic housing with black color and compact footprint (6.5 in L x 3 in W x 2 in H). Business Impact: Lightweight yet robust housing with IP-leaning protection against dust and minor splash in clean rooms or controlled environments, enabling easier mounting in tight spaces. Application: Panel enclosures with space constraints and ergonomic installation needs. Long-tail keywords: molded thermoplastic block, compact power distribution block. Feature: Four-pole configuration with a clear, industry-standard form factor. Business Impact: Simplifies wiring schemes and labeling, reduces mis-wiring risk, and accelerates field commissioning. Application: Industrial automation and power distribution in control cabinets. Long-tail keywords: four-pole distribution block, control cabinet power distribution. Additional note: The block’s compatibility with the Bussmann series catalog and Eaton’s support ecosystem helps procurement teams consolidate sourcing and streamline technician training while maintaining high availability of spares.
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FAQs
Install in a cleared, properly rated panel cavity with suitable mounting hardware. Ensure the block sits perpendicular to adjacent components, tighten fasteners to spec, and route conductors to the four poles using appropriate lugs. Verify the 175 A rating and the 600 Vac/600 Vdc voltage ratings are compatible with your feeders and distribution requirements.
The block is rated for 175 A continuous current, with voltage ratings of 600 Vac and 600 Vdc, enabling compatibility with mixed AC and DC control circuits in industrial equipment.
Yes. The unit carries UL 94-V0 flammability rating and RoHS compliance, supporting safety and regulatory requirements for modern control panels and automation equipment.
It is well-suited for control panels, automation cabinets, and power distribution in industrial machinery, process automation, and machine centers where compact form factor and high current handling are needed.
A compact footprint and molded thermoplastic housing reduce space and weight, simplifying mounting and reducing enclosure retrofit time. RoHS and UL-V0 compliance also shorten regulatory reviews, while the robust four-pole design lowers wiring errors and maintenance costs over the lifecycle.