Leach

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.

Solution areas

Product categories

Filter by attributes

Acceleration

Accuracy

Approvals

Auxilary contact

Built-in I/O

Capacity

Circuits 1-100

Coil Voltage

Communication Interface

Contact config

Contact function

Contacts

Continuous current

Control voltage

CPU performance

Current

Data logging

DIN-rail

Electrical connection

Expansion slots

Fieldbus/Interface

Flange size

Function

Housing

Housing Material

I/O slave module

IP Classification

Load Cell Type

Material

Material in contact with medium

Max current

Max operating speed

Max system voltage

Measuring range

Measuring technology

Measured variable

Memory

Modules

Mounting

Nominal diameter

Number of Ports 1-10

Operating system

Operating Temperature 40-125

Outer Diameter

Output Voltage

Phase

Photocell type

Positions

Pressure type

Process connection

RAID

Rated Power

Remote Access

Resolution Multiturn

Resolution Singleturn

Screen Size

Shaft Diameter

Storage

Stroke Length

Suitable for relay with number of contacts

Supply Voltage

Temperature Range

Touch

Type of Switch

Voltage

dB(A)

Brands

  • F492

    F492

    Weight 80 g max Dimensions of case 44 x 25.7 x 26 mm Balanced-force design, all welded con

    Weight 80 g max Dimensions of case 44 x 25.7 x 26 mm Balanced-force design, all welded construction Tin plated hermetically sealed metal can No overlapping contact arrangement

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  • F600

    F600

    Contacts rated at 10 Amps / 28 Vdc or 155 Vac – 400Hz. Weight 95 g max. Dimensions of ca

    Contacts rated at 10 Amps / 28 Vdc or 155 Vac – 400Hz. Weight 95 g max. Dimensions of case 26 x 25,7 x 37,7 mm max.

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  • F601

    F601

    Contacts rated at 10 Amps / 28 Vdc or 155 Vac – 400Hz. Weight 95 g max. Dimensions of ca

    Contacts rated at 10 Amps / 28 Vdc or 155 Vac – 400Hz. Weight 95 g max. Dimensions of case 26 x 25,7 x 37,7 mm max.

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  • F670

    F670

    Contacts rated at 1 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm m

    Contacts rated at 1 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm max.

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  • F670S1

    F670S1

    Contact arrangement: 1 PDT-DB-DM + 4 PDT. Contact rating (resistive load): 3 Amps / 72 Vdc

    Contact arrangement: 1 PDT-DB-DM + 4 PDT. Contact rating (resistive load): 3 Amps / 72 Vdc (PDT-DB-DM, double break). 1 Amp / 72 Vdc (PDT, single break). Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7 mm max.

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  • F670S2

    F670S2

    Contact arrangement: 2 PDT-DB-DM + 2 PDT. Contact rating (resistive load): 3 Amps / 72 Vdc

    Contact arrangement: 2 PDT-DB-DM + 2 PDT. Contact rating (resistive load): 3 Amps / 72 Vdc (PDT-DB-DM, double break). 1 Amp / 72 Vdc (PDT, single break). Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7 mm max.

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  • FD300

    FD300

    Contacts rated at 10 Amps / 56 Vdc. Weight 40 g max. Dimensions of case 26 x 28,6 x 13,3 m

    Contacts rated at 10 Amps / 56 Vdc. Weight 40 g max. Dimensions of case 26 x 28,6 x 13,3 mm max.

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  • FD370

    FD370

    Contacts rated at 3 Amps / 72 Vdc. Weight 40 g max. Dimensions of case 26 x 25.7 x 13.3 mm

    Contacts rated at 3 Amps / 72 Vdc. Weight 40 g max. Dimensions of case 26 x 25.7 x 13.3 mm max.

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  • FD400

    FD400

    Contacts rated at 10 Amps / 56 Vdc. Weight 80 g max. Dimensions of case 26 x 25,7 x 26 mm

    Contacts rated at 10 Amps / 56 Vdc. Weight 80 g max. Dimensions of case 26 x 25,7 x 26 mm max.

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  • FD470

    FD470

    Contacts rated at 3 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm m

    Contacts rated at 3 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm max.

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  • FD472

    FD472

    Contacts rated at 3 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm m

    Contacts rated at 3 Amps / 72 Vdc. Weight 80 g max. Dimensions of case 26 x 25.7 x 26 mm max.

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  • FD600

    FD600

    Contacts rated at 10 Amps / 56 Vdc. Weight 95 g max. Dimensions of case 26 x 25,7 x 37,7 m

    Contacts rated at 10 Amps / 56 Vdc. Weight 95 g max. Dimensions of case 26 x 25,7 x 37,7 mm max.

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  • FD670

    FD670

    Contacts rated at 3 Amps / 72 Vdc. Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7

    Contacts rated at 3 Amps / 72 Vdc. Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7 mm max.

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  • FLR300

    FLR300

    Contacts rated at 2 Amps / 28 Vdc. Weight 50g max. Enclosure Dimensions without hardware m

    Contacts rated at 2 Amps / 28 Vdc. Weight 50g max. Enclosure Dimensions without hardware mounting 26 x 28,6 x 13,3 mm max.

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  • FLS300

    FLS300

    Rated at 0.25 Amps / 28 Vdc. Weight 40g max. Enclosure Dimensions without hardware mountin

    Rated at 0.25 Amps / 28 Vdc. Weight 40g max. Enclosure Dimensions without hardware mounting 26 x 28.6 x 13.3 mm max.

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  • FLS402

    FLS402

    Contacts rated at 0.25 Amps / 28 Vdc. Weight 70 g max. Enclosure Dimensions without Hardwa

    Contacts rated at 0.25 Amps / 28 Vdc. Weight 70 g max. Enclosure Dimensions without Hardware mounting 26 x 25.7 x 26 mm max.

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  • FLSH402

    FLSH402

    Contacts rated at 0.25 Amps / 28 Vdc. Weight 10 g max. Dimensions of case without Hardware

    Contacts rated at 0.25 Amps / 28 Vdc. Weight 10 g max. Dimensions of case without Hardware mounting 22,5 x 22,5 x 4 mm max.

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  • FXXXM06 FXXXM07

    FXXXM06 FXXXM07

    Contact rating 1 Amps / 72 Vdc. Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7 mm

    Contact rating 1 Amps / 72 Vdc. Weight 110 g max. Dimensions of case 26.7 x 25.7 x 37.7 mm max.

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  • GP2-GP2A

    GP2-GP2A

    Contacts rated at 2 Amps / 28 Vdc. Weight 11 g max. Dimensions of case 20.4 x 10.4 x 10.2

    Contacts rated at 2 Amps / 28 Vdc. Weight 11 g max. Dimensions of case 20.4 x 10.4 x 10.2 mm max.

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  • GP250

    GP250

    Contacts rated at 2 Amps / 50 Vdc. Weight 11 g max. Dimensions of case 20.4 x 10.4 x 10.2

    Contacts rated at 2 Amps / 50 Vdc. Weight 11 g max. Dimensions of case 20.4 x 10.4 x 10.2 mm max.

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  • GP5

    GP5

    Contacts rated at 2 Amps / 28 Vdc. Weight 11 g max. Dimensions of case 20.6 x 10.4 x 10.2

    Contacts rated at 2 Amps / 28 Vdc. Weight 11 g max. Dimensions of case 20.6 x 10.4 x 10.2 mm max.

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  • GP52

    GP52

    Contacts rated at 2 Amps / 28 Vdc. Weight 16 g max. Dimensions of case 20.5 x 10.4 x 20.5

    Contacts rated at 2 Amps / 28 Vdc. Weight 16 g max. Dimensions of case 20.5 x 10.4 x 20.5 mm max.

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  • HB Contactor

    HB Contactor

    Principal Technical Characteristics: Main Contacts rated at 28 Vdc; 115/200 Vac, 400Hz Aux

    Principal Technical Characteristics: Main Contacts rated at 28 Vdc; 115/200 Vac, 400Hz Aux Contacts rated at 28 Vdc; 115 Vac, 400 Hz Weight 515g max. Dimensions 95,8mm x 94,5mm x 66,1mm

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  • HRCC

    HRCC

    Temperature range -65° C to +125° C. Weight 66g max. Dielectric Strength at sea level 15

    Temperature range -65° C to +125° C. Weight 66g max. Dielectric Strength at sea level 1500 Vrms / 50 Hz Minimum.

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  • HRCW

    HRCW

    Temperature range -65° C to +125° C. Weight 66g max. Dielectric Strength at sea level 15

    Temperature range -65° C to +125° C. Weight 66g max. Dielectric Strength at sea level 1500 Vrms / 50 Hz Minimum.

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