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Harwin’s M20 Pin Headers are standard interconnects with a 2.54mm pitch, designed for reliability, ruggedness, and economy. With robust mechanical and electrical performance, the pin headers are a proven solution for air circuit breakers and motor protection relays, especially in power distribution and industrial automation applications.
✅ 2.54mm (0.1”) pitch – Fits standard PCB layouts
✅ Multiple orientations – Vertical & horizontal, single & double row
✅ Surface mount & throughboard – Broad assembly compatibility
✅ Various mating lengths – 5.8mm, 6.1mm, 7.0mm for design flexibility
✅ Reflow-compatible – High-temp housing for SMT soldering
✅ Tape & reel packaging – Supports automated production lines
✅ Rated to 3A per contact – Reliable signal and power handling
✅ -40°C to +105°C range – Operates in harsh industrial environments
✅ Durable design – Withstands up to 300 mating cycles
⚡ Power distribution equipment
🏭 Industrial automation systems
📟 Circuit protection and switching
🔧 Embedded control units
📡 Communications & drives
In air circuit breakers and motor protection relays, M20 Pin Headers guarantee reliable electrical performance even in harsh conditions:
1. Maintain high-integrity contacts under load, thermal, and vibration stress
2. Enable dense configurations in space-constrained industrial enclosures.
3. Ensure the integrity of signal continuity for mission-critical power systems.
4. Resist frequent cycling, shock, and temperature fluctuations
Vertical and right-angle pin headers
Single and double row configurations
Mating pin lengths: 5.8mm, 6.1mm, 7.0mm
Surface Mount (SMT) and Throughboard options
Tape & Reel packaging available for SMT
Compatible with M20 sockets, jumper shunts, and crimp tools (Z20-320)
Harwin M20 Pin Headers offer durability, versatility, and proven performance. Engineered for reliable operation in demanding power protection systems. Suitable for use in industrial control units, relays, and switchgear.
