SEC Class G Fast-Acting & Time Delay Fuses

SEC Time-Lag Class G Fuses

SEC Class G fuses in fast-acting (0.5-6A) and time-delay (25-60A) versions with amapcity rejecting lengths to help prevent overfusing.



Catalog Details

Catalog Number SEC
Volts - 600Vac (0.5-20A)
- 480Vac (25-60A)
Amps -0.5-6A (fast-acting)
- 7 to 60A (time-delay)
Interruptign Rating 100kA RMS Sym
Agency Approvals UL Listed, Std. 248-5, Class G, Guide JDDZ, File E162363; CSA Certified, C22.2 No. 248.5, Class 1422-01, File 700489
DC Ratings
- 170Vdc (0.5-20A)
- 300Vdc (30 and 60A only)
- IR 10kA DC



  • Branch circuit rated for 480Vac.
  • Compact size features varying length rejection feature which helps prevent overfusing.
  • Time-delay of 12 sec. min. at 200% rating for amp sizes 6 through 60.


  • General purpose for use in 120/208 and 277/480 circuits. Ideal for fluorescent fixture protection.
  • Light inductive loads including motors, solenoids, etc. (For additional delay, refer to Edison EDCC or JDL).