Square D H324N 200A 3P 240V Safety Switch, NEMA 1, Fusible | AmpState

Meet the Square D H324N 200A 3P 240V Safety Switch — a purpose-built safety disconnect designed for dependable equipment isolation at the point of use. Built for everyday electrical work, this NEMA 1 fusible switch is a smart pick for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Key specifications

• Manufacturer: Square D
• Part number: H324N
• Product type: Safety Switch
• Amperage: 200 A
• Poles: 3
• Voltage: 240 V
• Enclosure rating: NEMA 1
• Configuration: Fusible

Why this H324N matters

The 200 A, 3-pole configuration supports reliable indoor installations where robust, quick-disconnect capability is essential. The fusible design adds protective fusing at the disconnect, helping simplify wiring and enhance safety during maintenance shutdowns. Being a direct part-number match to Square D systems means straightforward procurement and dependable compatibility with your existing panels and equipment.

Ideal use cases

• Disconnection and isolation of 240 V equipment for routine maintenance
• Panel assembly and distribution projects needing a ready-to-install, three-pole safety switch
• Spare inventory for teams that require exact part-number matches to minimize replacement delays
• Indoor electrical rooms and enclosures where a NEMA 1, fusible safety switch is appropriate

Procurement advantages and compatibility

AmpState offers this exact H324N part, with support to confirm fit for your application. The direct part-number alignment reduces substitution risk and procurement time, while the Square D lineage ensures compatibility with standard protective devices and control gear in many industrial settings.

Available from AmpState. If you need help matching a part number or confirming compatibility, Message us and we’ll help you confirm fit.