Eaton PON45 Fuse - One-Time CSA Type P, 10 kAIC at 250V
Part Number: PON45
Quick Summary
Eaton PON45 fuse provides reliable overcurrent protection for control panels and industrial electrical networks. Selecting the wrong fuse can lead to nuisance trips, downtime, and costly rework when ratings don’t match load, duty cycle, or startup surges. The datasheet identifies a CSA Type P one-time fuse with a 250 V rating and 45 A capacity, delivering a 10 kAIC interrupt rating—critical for short-circuit conditions. This compact, ferrule-end device aligns with Bussmann series compatibility and standard stocking, supporting fast replacement and predictable performance. For panel builders and automation integrators, the PON45 combines robust protection with simplified procurement and maintenance planning.
Product Information
Extended Description
PON45 Eaton: Eaton Bussmann series one-time CSA type P fuse, One time fuse, 250V, 45A, 10 kAIC at 250 Vac, Non Indicating, Standard code, type P, Ferrule end X ferrule end
Product Name
Eaton Bussmann series PON fuse
Catalog Number
PON45
UPC
051712840453
Product Length/Depth
1 in
Product Height
0.81 in
Product Width
0.8125 in
Product Weight
0.123 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
45 A
Interrupt rating
10 kAIC at 250 Vac
Voltage rating
250 V
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Quantity
10
Special features
One time fuse
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - PON45
Feature: One-time fuse construction. Business Impact: Provides decisive open-circuit signaling on fault, reducing follow-on faults and facilitating quick field service. Application: Ideal for equipment where a single, definitive fuse operation is required and spare parts stock can be minimized. Feature: 250 V rating and 45 A capacity. Business Impact: Enables reliable protection for common industrial control circuits without frequent nuisance trips, improving line uptime. Application: Suitable for control panels, relay logic circuits, and small motor drives in machine automation. Feature: 10 kAIC interrupt rating at 250 VAC. Business Impact: Withstands high fault currents, protecting downstream components and reducing equipment damage risk. Application: Heavy-duty conveyors, presses, and automation cells where short-circuit events are possible. Feature: Ferrule-end to ferrule-end connection. Business Impact: Fast, secure termination with standardized compatibility across Bussmann ferrule fuses, lowering installation time and resistance concerns. Application: Panelboards and field replacements in controlled environments. Feature: Non-indicating design. Business Impact: Reduces parts count and cost while maintaining reliable protection; diagnostic signaling via system-level monitoring remains straightforward. Application: Applications where visual fuse status is managed by upstream protection schemes or monitoring PLCs. Feature: Packaging and quantity. Business Impact: 10-component packaging supports streamlined purchasing and inventory planning for small-to-mid scale panel builds. Application: Procurement workflows in contract manufacturing and panel shops.
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FAQs
The PON45 is a ferrule-end, 45 A, 250 V one-time fuse designed for industrial control panels and automation circuits. It fits standard Bussmann ferrule fuse holders and aligns with typical panelboard layouts, enabling straightforward replacement and consistent protection coordination in machine cabinets.
The PON45 provides a 10 kAIC interrupt rating at 250 VAC. This means it can safely interrupt high fault currents typical of motor starts and short circuits in industrial environments, protecting downstream components such as relays, PLCs, and drives from damaging energy surges.
The PON45 is non-indicating, which simplifies the fuse design and reduces costs. Status monitoring is typically accomplished through the overall protection system (such as PLC I/O monitoring or secondary indicators) rather than a built-in visual fuse indicator.
When replacing, ensure ferrule-end terminations match the existing holders, verify the 250 V rating and 45 A current rating align with the circuit load, and confirm the application requires a one-time fuse. The component is designed for quick swaps, minimizing downtime in panel installations.
Industries with automated machinery, conveyors, and machine-control panels benefit from predictable protection and fast fault isolation. The PON45’s 10 kAIC rating reduces equipment damage during faults, while its standardization with Bussmann ferrule fuses lowers spare-part diversity, lowering total cost of ownership.