Features 3 position rotary switch, 2NO(normal open) + 1NC(normal close). Made of durable material, with long lifespan. This rotary switch has self-locking function. With good insulation performance. Quality assurance, stable and reliable. Features: 1.3 position rotary switch, 2NO(normal open) + 1NC(normal close). 2.Made of durable material, with long lifespan. 3.This rotary switch has self-locking function. 4.With good insulation performance. 5.Quality assurance, stable and reliable. Specification: Model: LLAY37-20X/31 Material: Plastic, Metal Working Voltage: 220V Working Current: 5A Rated Thermal Current: 10A Contact Resistance: 20Ω Insulation Resistance: 20MΩ 3C Rated Voltage Range: ≥440V Mount Hole: 22mm Weight: Approx. 39g/1.37oz Package List: 1 * Rotary Switch Package List