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Apem 121643VX778 Toggle Switch

This four-pole toggle switch features solder lug terminals and an ON-ON-ON switching configuration, ideal for controlling multiple circuits in high-reliability applications. Designed with durability, it offers a robust sealed case with matt black finish, ensuring protection against dust and water with IP67 sealing. Constructed with brass components, gold-plated contacts, and epoxy sealing for long-term reliability. Suitable for military, aerospace, and industrial environments, it supports resistive and low-level electrical loads, includes mounting hardware, and complies with CECC approval standards. Its compact design makes it suitable for tight panel spaces.

Authorized Distributors
Source:DigiKey
Part No:121643VX778
Stock:0
Inv Date:05-28-2026
Price: Unit price: $204.99
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Part No:121643VX778
Stock:0
Inv Date:05-29-2026
Price: Unit price: $198.89
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Part No:121643VX778
Stock:0
Inv Date:05-28-2026
Price: Unit price: $222.19
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Part No:121643VX778
Stock:44
Inv Date:05-28-2026
Price: Unit price: $264.54
Buy/RFQ:
Part No:121643VX778
Stock:44
Inv Date:05-28-2026
Price: Unit price: $264.54
Buy/RFQ:
Part No:121643VX778
Stock:45
Inv Date:05-28-2026
Price: Unit price: $221.85
Buy/RFQ:

Apem 121643VX778 Toggle Switch Specifications:

  • Electrical Ratings: 2A 250VAC, 4A 125VAC, 4A 28VDC
  • Minimum Load: 10mA 50mV, 10pA 5VDC
  • Initial Contact Resistance: 10 mΩ max.
  • Insulation Resistance: 1,000 MΩ min. at 500VDC
  • Dielectric Strength: 1,000 Vrms between terminals, 2,000 Vrms between poles and frame
  • Contact Bounce: 2 ms max.
  • Electrical Life: 20,000 cycles at 2A 250VAC/4A 28VDC, 20,000 cycles at low load
  • Material: Diallylphthalate case, brass actuator, gold plated silver/nickel contacts
  • Sealing: Fully sealed IP67 case, with two O-rings
  • Operating Temp: -40°C to +85°C
  • Shock & Vibration: 50g 11ms, 10-500Hz 10g
  • Panel Thickness: 3 mm to 8 mm
  • Torque: 1.50 Nm max.
  • Compliance: CECC approved, sealed against dust and water

Buy the APEM Series X778 Toggle Switch: 121643VX778

Order the APEM toggle switch 121643VX778 online today to experience reliable circuit control in your industrial or military applications. This four-pole, sealed toggle switch offers IP67 protection with robust construction, providing excellent performance under harsh conditions. Its ON-ON-ON configuration, gold-plated contacts, and epoxy sealing ensure long-term durability and resistance to oxidation. Ideal for control panels requiring stable, multi-circuit switching, this switch is easy to install with standard hardware and meets high-quality standards for safety and performance. Purchase now for dependable operation.

Get APEM 121643VX778 toggle switch today—built for precision and long-lasting durability in demanding environments.

Frequently Asked Questions

Where can I buy Apem 121643VX778?

You can click on the BUY or RFQ button to purchase 121643VX778 from an authorized Apem distributor.

How do I troubleshoot issues or seek technical support for part 121643VX778?

You can download the 121643VX778 datasheet or visit the Apem website for support.

Who is the manufacturer of 121643VX778?

Apem

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