FB03A1N - FUSE HOLDER 1P+N 22X58

Why Choose the FB03A1N?

Designed for dependable circuit protection, the Lovato FB03A1N fuse holder (Fuse holders - 22x58mm) accepts 22x58 mm fuses in a compact 1P+N format. Rated up to 690 VAC and 125 A (IEC), it delivers robust performance without a status indicator and occupies 2 modules. IEC, UL and CSA compliance ensures confidence in industrial and commercial panels where safe fuse carriage and straightforward maintenance matter.

Built for demanding environments, the unit operates from -20 to 70 °C with IP20 frontal protection and a maximum terminal tightening torque of 4 Nm. Storage down to -40 to 80 °C and use up to 3000 m altitude broaden applicability. At 354 g, it offers durable construction for UK switchboards, control panels and OEM equipment needing 22x58 mm AC fuse carriers for single‑phase (1P+N) circuits up to 690 V.

Key Benefits

• Accepts standard 22x58 mm fuses for high‑current AC protection.
• Rated 690 VAC and up to 125 A for demanding applications.
• 1P+N configuration suits single‑phase circuits with neutral.
• No light indicator for simple, fail‑safe operation.
• IP20 frontal touch protection enhances on‑panel safety.
• Wide -20 to 70 °C operating temperature range.
• Secure terminations with up to 4 Nm tightening torque.
• Compliant with IEC, UL and CSA standards.

Technical Specification

• Operating voltage type: AC
• Operating temperature: -20 to 70 °C
• Storage temperature: -40 to 80 °C
• Max altitude: 3000 m
• Terminal tightening torque (max): 4 Nm
• Weight: 354 g
• IP degree (frontal): IP20

What’s Included

• Lovato FB03A1N 22x58mm fuse holder, 1P+N
• Installation and safety instructions

Applications

• Single-phase AC circuits up to 690 V
• Control panels and switchboards using 22x58 mm fuse carriers
• Industrial machinery protection up to 125 A
• OEM equipment builds and maintenance replacements

Safety note: Always isolate the supply before installation or maintenance. Use only 22x58 mm fuses, observe the 690 VAC/125 A limits, and tighten terminals to a maximum of 4 Nm. Maintain IP20 protection during use.