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The Littelfuse Inc. 03453LF1HX040 is a shock-safe, panel mount fuse holder body from the 345 Series. It is designed to accept 3AB, 3AG, 5x20mm, and 2AG fuse sizes, depending on the knob selected, allowing for inventory reduction and knob interchangeability.
This fuse holder body features a black glass-filled thermoplastic construction with a UL 94V-0 flammability rating. It offers ingress protection ratings of IP40 and IP52. Electrical specifications include an insulation resistance of 10,000 megohms minimum at 500 VDC and a contact resistance of less than 0.005 ohm average at currents up to 1 ampere. The operating temperature range is -40°C to +85°C.
Mounting options include threaded styles with a 15 in-lb torque rating, and quick mount styles. Panel thickness compatibility varies by mounting type, ranging from 0.012" to 0.360". Terminal styles include dual-purpose for soldering or quick connect, as well as NEMA and NEMA/DIN quick connect options.
The fuse holder body is designed to eliminate the possibility of electrical shock, adhering to IEC standards 60127-6. It also features an anti-tease function to prevent accidental circuit interruption.
It accepts 3AB, 3AG, 5x20mm, and 2AG fuses.
The minimum insulation resistance is 10,000 MΩ at 500 VDC.
Contact resistance is less than 0.005 Ω average at currents up to 1 ampere.
The operating temperature range is -40°C to +85°C.
Low-profile and high-profile styles support 0.032 to 0.310 inches; quick-mount supports 0.012 to 0.360 inches; rear-mount supports 0.012 to 0.260 inches.
The body is black glass-filled thermoplastic rated UL 94V-0; the knob is grey, blue, or black glass-filled thermoplastic rated UL94 V-0.
Standard versions are IP40; versions with the NP suffix are IP52.