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Bussmann

Eaton Bussmann TCF300RN 300A 600VAC/300VDC Class CF Non-Indicating CUBEFuse

Part Number: TCF300RN

● LT: 4-6w

300A Low-Peak Class CF time-delay CUBEFuse, non-indicating, rated 600VAC/300VDC.

Rated Current300A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA RMS symmetrical at 600VAC / 100kA at 300VDC
PackageA × B × C: 4.25 (108) × 3.46 (88) × 1.69 (43) in (mm); D: 1.47 (36); E: 0.79 (20)

The Eaton Bussmann Low-Peak TCF300RN is a 300A non-indicating UL Class CF branch-circuit fuse. Its dual-element, current-limiting, time-delay construction provides Class J electrical performance, with a minimum 10-second operating time at 500% of rated current. Rated 600VAC and 300VDC for motor circuits, industrial control panels and machinery disconnect applications.

Technical Specifications

Part Number
TCF300RN
Manufacturer Part Number
TCF300RN
Series
Low-Peak CUBEFuse
Fuse Type
Current-Limiting Dual-Element Branch-Circuit Fuse
Current Rating
300A
Voltage Rating
600V AC / 300V DC
AC / DC
AC · DC
Breaking Capacity
200kA RMS symmetrical at 600VAC / 100kA at 300VDC
I²t
See official current-limitation curves
Operating Temperature
-40°C to +80°C (-40°F to +176°F)
Package / Dimensions
A × B × C: 4.25 (108) × 3.46 (88) × 1.69 (43) in (mm); D: 1.47 (36); E: 0.79 (20)
Mounting
Plug in
Application
Branch Circuit Protection · Fused Disconnects · Industrial Control Panels · Machinery Disconnects · Motor Circuits
Standard
CSA C22.2 No. 248.17 · UL 248-17
Terminal Type
Blade end
Fuse Speed
Time Delay
Utilization Class
Class CF
Approvals
CSA · cULus · RoHS
Certifications
cULus Listed (JDDZ.E4273) · CSA Certified · RoHS Compliant
Reference Lead Time
4-6 weeks
Fuse indicator
Non-Indicating; Response: minimum 10 s at 500% rated current; Carton quantity: 1; Carton weight: 1.23 lb (0.56 kg); Finger-safe status depends on the final installation; 110-400A ratings require accessory shrouds. Source: Eaton Technical Data 9000, July 2023.

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