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Five glass cylindrical fuses with metal end caps

Bussmann

Bussmann GMD-315-R Glass Fuse 315mA 250V AC 10kA 125V AC 5 Pack

SKU CH-TX1V-08C5Q

Pack of five 20 mm glass time-delay fuses rated 315 mA at 250 V AC with 100 A interrupting capacity

  • Time-delay protection prevents nuisance trips
  • 315 mA rating suits low-current circuits
  • 10 kA interrupt rating at 125 V AC handles fault currents
  • Glass body allows visual inspection of element
  • Pack of 5 fuses provides ready replacements

Glass Fuse for 250 V AC Circuits

This pack contains five Bussmann GMD-series glass fuses rated at 315 mA for 250 V AC circuits. They suit equipment that requires a time-delay cylindrical fuse with a 20 mm by 5 mm body. The non-rejection design fits compatible HTB-series fuse blocks. Each fuse carries CE, CSA and UL 248-14 markings.

10 kA Interrupt Rating at 125 V AC

The single specification that decides fit is the interrupt rating of 10 kA at 125 V AC, with a 100 A rating at 250 V AC. This defines the maximum fault current the fuse can safely break. Buyers whose equipment demands a higher interrupt capacity at either voltage cannot use these fuses.

Handles 315 mA Continuous Load

The 315 mA rating provides headroom for small transient surges in low-power control circuits, lighting ballasts or instrument power supplies. The time-delay characteristic prevents nuisance opening during brief inrush. The fuse will open once sustained current exceeds the rating or when fault current surpasses the stated interrupt limits.

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Price $17.99
Cheaper than about 82% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

What does the 315 mA rating mean for a circuit using this fuse?

The fuse will carry up to 315 mA continuously and open after a time delay if the current exceeds that value.

How do the 100 A at 250 V AC and 10 kA at 125 V AC interrupt ratings limit fault protection?

The fuse can safely break a short-circuit current of 100 A at 250 V AC or 10 kA at 125 V AC; above those levels it may not clear the fault.

What holder or block is needed to mount the 20 mm by 5 mm cylindrical glass body?

A fuse block that accepts 20 mm long, 5 mm diameter cylindrical fuses such as the HTB series will fit this fuse.

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