K–44 is a general purpose snap-acting switch from C&K A series, it has low cost, high performance, long electrical life, single and double pole, and sealed actuator option.
The A Series snap‑acting switches from C&K are low‑cost, high‑performance devices used in enclosure equipment, garage door openers, and vending machines. They are available in single‑pole (SP) and double‑pole (DP) configurations with a sealed actuator option.
The document lists detailed electrical ratings, mechanical characteristics, material construction, and ordering options. It includes tables for operating force, contact ratings, available actuator types, terminal styles, and dimensions, helping designers select the proper switch for their application.
| Contact rating | From low level to 30.1 A @ 277 VAC |
|---|---|
| Electrical life | 75,000 cycles @ 25 A/250 V AC, 200,000 cycles @ 15 A/250 V AC |
| Insulation resistance | 1,000 MΩ min |
| Dielectric strength | 1,000 Vrms min @ sea level |
| Operating temperature | -67 °F to 185 °F (‑55 °C to 85 °C) |
| Operating force (SP) | 20 oz (667 g) max |
| Operating force (DP) | 40 oz (1,134 g) max |
| Mounting torque | 3 in‑lb max |
The contact rating ranges from low‑level conditions up to 30.1 A at 277 VAC.
The switches operate from –67 °F to 185 °F (‑55 °C to 85 °C).
Single‑pole models require a maximum operating force of 20 oz (667 g).