Yijia LA38 Series Mushroom Head Push Button Switch | 22mm Mount, 1NO1NC/2NO, Momentary/Latching, 40/60mm Head 【Product Overview】The Yijia LA38 series mushroom head push button switches are designed for industrial control panels and equipment start/stop applications. Available in momentary (self-resetting) and latching (self-locking) versions, with multiple head sizes (40mm/60mm) and colors (red/green/yellow) to suit different operational needs. 【Key Specifications】- Series Model: YJ139-LA38 (LA38-11M/ZS variants)- Mounting Hole Size: 22mm standard- Rated Current: ≤10A- Contact Configuration: 1NO1NC (1 Normally Open + 1 Normally Closed) / 2NO (2 Normally Open)- Contact Material: Silver Alloy (AgNi), low contact resistance, long lifespan- Operation Type: - Momentary (Self-Resetting): Automatically rebounds when released (point-to-point control) - Latching (Self-Locking): Locks in position, requires another press to release- Mushroom Head Size: Φ40mm / Φ60mm- Available Colors: Red, Green, Yellow- Mechanical Life: ≥1,000,000 operations- Application: Equipment start/stop, jog control, reset functions 【Design Features】- Large Mushroom Head: Easy to press even with work gloves, ideal for frequent operation- Clear Color Coding: Red for stop/emergency, green for start, yellow for warning/reset- Durable Construction: Robust body and silver contacts for long-term use in industrial environments- Versatile Configuration: Multiple head sizes, colors, and contact types for diverse applications 【Application Scenarios】Widely used in machine tools, conveyor systems, automation equipment, control cabinets, and DIY projects for start/stop, jogging, and reset functions. DATA SHEET 字段 英文内容 Product Name Mushroom Head Push Button Switch Brand Yijia Series Model YJ139-LA38 (LA38-11M/ZS) Mounting Hole 22mm Rated Current ≤10A Contact Type 1NO1NC / 2NO Contact Material Silver Alloy Operation Mode Momentary (Self-Resetting) / Latching (Self-Locking) Mushroom Head Size Φ40mm / Φ60mm Available Colors Red, Green, Yellow Mechanical Life ≥1,000,000 Cycles Features Large Mushroom Head, Easy Operation, Color Coded Application Industrial Control, Start/Stop, Jog Control