High amperage single-pole toggle switch with ON-OFF-ON positions. Designed for heavy-duty applications where reliable switching is required. Features include resistance-welded contacts for mechanical strength, silver/nickel alloy contacts, and compliance with UL, CSA, and NF-VDE standards. It has a maximum current rating of 15A at 250VAC and 10A at 400VAC, with dielectric strength of 2,500 Vrms. The switch construction uses durable brass, nickel-plated bushings, and a polyester case, suitable for operating temperatures from -20°C to +55°C, and offers a long electrical life of 10,000 cycles.
Max. current/voltage rating with resistive load: 15A 250VAC, 10A 400VAC
Initial contact resistance: 10mΩ max. at 1A 2VDC
Insulation resistance: 1.000 MΩ min. at 500VDC
Dielectric strength: 2,500 Vrms 50 Hz between terminals and frame
Electrical life: 10,000 cycles at full load
Case: polyester UL94-VO
Actuator: brass, nickel plated
Bushing: brass, nickel plated
Contacts: copper, silver plated
Torque: 1.50 Nm (1.10 Ft.lb) max.
Panel thickness: 4.5 mm (.177 in) max.
Operating temperature: -20°C to +55°C
Hardware: 1 hex nut U166, 1 knurled nut U411 or U522 depending on model
Mounting: panel cut-out 12.20 mm or 12.50 mm depending on model
Buy the APEM 638H – Reliable Heavy-duty Toggle Switch for Industrial Applications
Order the APEM heavy-duty toggle switch online and experience reliable performance in industrial power control. Designed for demanding applications, the switch offers durable construction, UL and CSA approval, and a long electrical life of 10,000 cycles. Its robust design features resistance-welded contacts, silver/nickel alloy contacts, and a polyester case that withstands harsh environments. Easy to install with panel cut-out specifications of 12.20 mm or 12.50 mm, ensuring your power switching needs are efficiently met with premium quality and safety standards.
Get APEM 638H today—built for precision and long-lasting durability in demanding power switching environments.
Frequently Asked Questions
Where can I buy Apem 638H?
You can click on the BUY or RFQ button to purchase 638H from an authorized Apem distributor.
How do I troubleshoot issues or seek technical support for part 638H?
You can download the 638H datasheet or visit the Apem website for support.
Who is the manufacturer of 638H?
Apem
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