Leach develops high-performance relays and switching solutions for aerospace, defence, transportation, and industrial applications. The product range supports electrical systems that demand long-term reliability and dependable switching performance.
Engineers rely on these products where vibration, temperature changes, and harsh environments challenge conventional components. Proven relay technology helps improve safety while ensuring stable operation over extended lifecycles.
Long industry experience and strict quality standards make these switching solutions suitable for the most demanding electrical systems.

Lexan socket accessory with 0.5 mm label, max 5.2 g
Lexan socket accessory with 0.5 mm label, max 5.2 g

Lexan socket accessory, max 12.5 g, MIL-approved
Lexan socket accessory, max 12.5 g, MIL-approved

PCB isolation pad for half-size quartz series relays
PCB isolation pad for half-size quartz series relays

PCB isolation pad for M300, F370 and FD370 relays
PCB isolation pad for M300, F370 and FD370 relays

PCB isolation pad for M400, F470 and F472 relays
PCB isolation pad for M400, F470 and F472 relays

PCB isolation pad for M210 and M212 relays
PCB isolation pad for M210 and M212 relays

PCB isolation pad for M220 and M222 relays
PCB isolation pad for M220 and M222 relays

PCB isolation pad for F600, F670 and FD670 relays
PCB isolation pad for F600, F670 and FD670 relays

PCB isolation pad for M500 and F570 relays
PCB isolation pad for M500 and F570 relays

Contactor 125 A/28 V DC, 2PST-DM+AUX, 103x65x51 mm
Contactor 125 A/28 V DC, 2PST-DM+AUX, 103x65x51 mm

Contactor 125 A/28 V DC, 1PST-DM, 68x48x39.5 mm
Contactor 125 A/28 V DC, 1PST-DM, 68x48x39.5 mm

Contactor 125 A/28 V DC, 1PST-DM+AUX, 103x48x39.5 mm
Contactor 125 A/28 V DC, 1PST-DM+AUX, 103x48x39.5 mm

Contactor 125 A/28 V DC, 1PDT-DB-DM+AUX, 93x65x51 mm
Contactor 125 A/28 V DC, 1PDT-DB-DM+AUX, 93x65x51 mm




Sealable switch guards, light alloy, max 10.5 g
Sealable switch guards, light alloy, max 10.5 g

Sealed snap-action pushbutton, 1PDT, 3 A / 30 VDC
Sealed snap-action pushbutton, 1PDT, 3 A / 30 VDC

Lever switch, 1PDT, 15 A / 115 VAC, 25 A / 30 VDC
Lever switch, 1PDT, 15 A / 115 VAC, 25 A / 30 VDC

Double-pole snap-action toggle switch, 5 A / 30 V DC
Double-pole snap-action toggle switch, 5 A / 30 V DC

Snap-action limit switch, 1PDT, 5 A / 30 VDC
Snap-action limit switch, 1PDT, 5 A / 30 VDC




If you have questions about our products the AI-assistant can help guide you to what you are searching for.