Siemens HF263 - 100A, 600V, 2-Pole, Switch, NEMA 1

Siemens HF263 is a rugged 2-Pole switch engineered for dependable on/off isolation and overcurrent protection in demanding industrial and commercial settings. With a 100A rating and a 600V maximum, this NEMA 1 indoor switch is built to keep equipment safe and systems running smoothly, even in busy control rooms and manufacturing floors.

Why the HF263 stands out

• 100A, 600V capacity — robust enough to handle motor loads and control circuits across a range of applications.
• 2-Pole configuration — ensures simultaneous disconnection of both conductors for safer maintenance and servicing.
• NEMA 1 enclosure — ideal for indoor, dry locations where dust or incidental moisture is minimal, providing reliable protection for the switch internals.
• Compact, maintainable fusible switch — designed for straightforward wiring, inspection, and serviceability without sacrificing reliability.
• Reliable isolation with protection — purpose-built to deliver clear disconnect points and, when used with appropriate protection elements, effective overcurrent protection for branch circuits.

Ideal applications

• Motor disconnects in machines, conveyors, pumps, and HVAC equipment
• Panelboards and switchgear where a compact, dependable disconnect is required
• Branch circuit protection in control panels and industrial control environments

Practical benefits and use cases

Engineered by Siemens, the HF263 provides a durable, code-aligned solution for technicians who value safety and uptime. Its compact footprint makes it a practical choice for crowded control panels, while its solid construction supports long service life in dusty factory settings. Use it as a clear de-energization point during maintenance, reducing downtime and helping maintenance teams work more efficiently. Pair with compatible protection devices to create a complete, reliable control solution.

Specifications at a glance

• Model: HF263
• Amperage: 100A
• Voltage: 600V
• Poles: 2-Pole
• NEMA Rating: NEMA 1