

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The MERSEN GSF2-1/2 is a glass cartridge fuse rated at 2.5 amps and 250 volts. It provides overcurrent protection in low-voltage electrical circuits, opening the circuit when current exceeds its rated value to protect downstream components. Glass body construction allows visual inspection of the fuse element without removal. Electricians and HVAC technicians commonly use fuses in this class for control circuit protection in residential and light commercial equipment.
This fuse is suited for use in control panels, HVAC equipment control boards, small appliances, and low-voltage branch circuit protection applications. Its 250-volt rating covers a wide range of single-phase residential and light commercial circuits. The 2.5-amp rating targets sensitive control circuits where precise overcurrent protection is required.
Designed as an OEM-style replacement glass cartridge fuse for residential and light commercial electrical control circuits requiring a 2.5-amp, 250-volt rating.
Installation should be performed by a licensed electrician or qualified HVAC technician in accordance with NEC requirements. Always de-energize and lock out the circuit before replacing a fuse. Confirm the replacement fuse matches the original current and voltage ratings exactly. Never substitute a higher-rated fuse to bypass a repeated overcurrent condition without first diagnosing the root cause.
Thanks for subscribing!
This email has been registered!