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Esterline Leach

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Leach International is the world's largest manufacturer of relays, contactors, pressure switches, and aerospace and aircraft switches -- many specifically designed for severe environments.

 
  Relays

Military qualified subminiature and half-crystal can relays for both commercial and military applications. Low level to 75 Amp. AC, DC. Suitable for severe environments.

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Leach Relays
 
Contactors

High power contactors for primary power control. From 25 to 1000 amps. Includes Smart and busbar mount contactors for modern electrical power distribution systems.

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Leach contactors
 
Control Devices

For timing purposes, sensing and protection of current, voltage, frequency, and phase; fixed, adjustable AC and DC versions.

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Control Devices
 
Sockets

Features a wide variety of sockets used for Leach relays, time delays and rail devices including PC board mount, solder, crimp, and track mount styles.

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Sockets
 
Click on the proper link below for further details.
Individual product sections are available in the table below.

 
  Leach Condensed Catalog
Leach QPL Listing		  
 

Relays & Contactors		  
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Amps Series Description Mil-Specification
0.5A 065*D RELAY NONLATCH, 2PDT, 0.5A@28VDC  
0.5A 065*I RELAY LATCH, 2PDT, 0.5A@28VDC  
1A D RELAY LATCH, 2PDT, 1A@28VDC  
1A E RELAY NONLATCH, 2PDT, 1A@28VDC  
2A GP2/GP2A RELAY LATCH, 2PDT, 2A@28VDC  
2A GP250 RELAY LATCH, 2PDT, 2A@50VDC  
2A GP4 RELAY LATCH, 4PDT, 2A@28VDC  
2A F250 RELAY NONLATCH, 2PDT, 2A@28VDC  
2A GP5 RELAY NONLATCH, 2PDT, 2A@28VDC  
2A W260 RELAY NONLATCH, 2PDT, 2A@28VDC M39016/6
2A WN460 RELAY NONLATCH, 4PDT, 2A@28VDC  
5A XL RELAY LATCH, 2PDT, 5A@28VDC M6106/38
5A YL RELAY LATCH, 4PDT, 5A@28VDC M6106/39
5A X RELAY NONLATCH, 2PDT, 5A@28VDC M83536/1, /2, DSCC# 84133-XXX
5A XA RELAY NONLATCH, 2PDT, 5A@28VDC  
5A Y RELAY NONLATCH, 4PDT, 5A@28VDC M83536/5, /6, DSCC# 86087-XXX
5A YA RELAY NONLATCH, 4PDT, 5A@28VDC  
10A XCL RELAY LATCH, 1PDT, 10A@28VDC  
10A YCL RELAY LATCH, 3PDT, 10A@28VDC M6106/40
10A JS/JSA RELAY NONLATCH, 1PDT, 10A@28VDC  
10A XC RELAY NONLATCH, 1PDT, 10A@28VDC  
10A 9330 RELAY NONLATCH, 2PDT, 10A@28VDC MS24149,
10A JA RELAY NONLATCH, 2PDT, 10A@28VDC M83536/11
10A YC RELAY NONLATCH, 3PDT, 10A@28VDC M83536/21, /22
10A YCA RELAY NONLATCH, 3PDT, 10A@28VDC  
10A KA RELAY NONLATCH, 4PDT, 10A@28VDC M83536/17
10A F600 RELAY NONLATCH, 6PDT, 10A@28VDC  
10A F601 RELAY NONLATCH, 6PDT, 10A@28VDC  
12A JL RELAY LATCH, 2PDT, 12A@28VDC M83536/12, /13
12A KL RELAY LATCH, 4PDT, 12A@28VDC M83536/18, /19
12A J RELAY NONLATCH, 2PDT, 12A@28VDC M83536/9, /10
12A K RELAY NONLATCH, 4PDT, 12A@28VDC M83536/15, /16, MS27709
15A 9274 RELAY LATCH, 4PDT, 15A@28VDC MS24568
25A JCL RELAY LATCH, 1PDT, 25A@28VDC M6106/20
25A KCL RELAY LATCH, 3PDT, 25A@28VDC MS27742
25A KDL RELAY LATCH, 3PST/NO+AUX, 25A@28VDC M6106/12
25A JC AND JCA RELAY NONLATCH, 1PDT, 25A@28VDC M6106/19, M83536,36, /37
25A KC RELAY NONLATCH, 3PDT, 25A@28VDC M83536/32, /33
25A KCA RELAY NONLATCH, 3PDT, 25A@28VDC-AC COIL  
25A 9325 RELAY NONLATCH, 3PDT/CO, 25A@28VDC MS27706
25A KD RELAY NONLATCH, 3PST/NO+AUX, 25A@28VDC M6106/13
25A KDA RELAY NONLATCH, 3PST/NO+AUX, 25A@28VDC M6106/13
25A 9324 RELAY NONLATCH, 3PST/NO, 25A@28VDC MS27418
25A 9339 RELAY NONLATCH, 3PST/NO, 1PDT+AUX, 25A@28VDC M6106/41
25A 9123 CONTACTOR NONLATCH, 3PST DM, 25A@28VDC MS27997
50A KM RELAY NONLATCH, 1PST DM, 50A@28VDC  
50A HB CONTACTOR BUSBAR, 50A@115VAC/400HZ  
50A HC,HCD,HCP CONTACTOR CENTER OFF, 50A@115VAC/400HZ MS27750
50A 9125 CONTACTOR NONLATCH INTERLOCK, (3PST DM CO)X2,  
50A 7064-4653 CONTACTOR NONLATCH, 1PST DM, 50A@28VDC MS24166-D1
50A 7064-238 CONTACTOR NONLATCH, 1PST NO, 50A@28VDC MS24166-D2
50A 9124 CONTACTOR NONLATCH, 3PST DM, 50A@28VDC MS27222
55A 7064-4656 CONTACTOR NONLATCH, 2PST DM, 55A@28VDC MS24178-D1
60A HL,HLT, HLD,HLP CONTACTOR LATCH, 60A@115VAC/400HZ MS27749
60A H,HD,HP, HT,HDT,HPT CONTACTOR NONLATCH, 60A@115VAC/400HZ MS27751, M6106/26, M6106/43
60A ZE-X9YN SMART PLUG-IN CONTACTOR, NONLATCH, 3PST 60A@115VAC/400HZ  
75A KXL RELAY LATCH, 1PST/NO DB, 75A@28VDC  
75A KX RELAY NONLATCH, 1PST/NO DB, 75A@28VDC  
75A KXD RELAY NONLATCH, 1PST/NO DB+AUX, 75A@28VDC  
80A 77 CONTACTOR NONLATCH, 1PST DM, 80A@28VDC  
90A LC CONTACTOR CENTER OFF, 90A@115VAC/400HZ  
90A L CONTACTOR NONLATCH, 90A@115VAC/400HZ  
100A Z-X9YN PLUG-IN CONTACTOR, NONLATCH, 3PDT 100A@115VAC/400HZ  
100A ZC, ZCD CONTACTOR CENTER OFF, 100A@115VAC/400HZ  
100A 9207 CONTACTOR NONLATCH, 100A@28VDC DSCC# 84192-XXX
100A 9213 CONTACTOR NONLATCH, 3PST DM, 100A@28VDC  
100A A270-100 CONTACTOR, 270VDC, 1PST DM, 100A@270VDC  
120A ZL, ZLD CONTACTOR LATCH, 120A@115VAC/400HZ  
120A Z, ZD CONTACTOR NONLATCH, 120A@115VAC/400HZ  
125A 129 CONTACTOR NONLATCH, 1PST DB-DM+AUX, 125A@28VDC  
145A ZG CONTACTOR NONLATCH, 145A@115VAC/400HZ  
175A WE-X2YN SMART PLUG-IN CONTACTOR, NONLATCH, 175A@115VAC/400HZ  
180A ZJ CONTACTOR NONLATCH, 180A@115VAC/400HZ  
200A CC02**P BUS BAR CONTACTOR 1PST DM+AUX, 200A@28VDC  
200A 219 CONTACTOR NONLATCH, 1PST DB+AUX, 200A@28VDC  
200A 7264-4654 CONTACTOR NONLATCH, 1PST DM, 200A@28VDC MS24171-D1
200A 7264-283 CONTACTOR NONLATCH, 1PST NO, 200A@28VDC MS24171-D2
200A 7264-4655 CONTACTOR NONLATCH, 1PST NO, 200A@28VDC MS24172-D1
250A WC CONTACTOR CENTER OFF, 250A@15VAC/400HZ  
275A WB CONTACTOR BUSBAR, 275A@115VAC/400HZ  
275A WL CONTACTOR LATCH, 275A@115VAC/400HZ  
275A W CONTACTOR LATCH, 275A@115VAC/400HZ  
275A W-X9YN PLUG-IN CONTACTOR, NONLATCH, 275A@115VAC/400HZ  
385A WL-X9YN PLUG-IN CONTACTOR, LATCH, 385A@115VAC/400HZ  
400A CC04**P BUS BAR CONTACTOR, 1PST DM+AUX, 400A@28VDC  
400A 52040 CONTACTOR CIRCUIT BREAKER, 1PST DM+AUX, 400A@28VDC  
400A 7401-4658 CONTACTOR NONLATCH, 1PST DM, 400A@28VDC MS24185-D1
400A 7401-C CONTACTOR NONLATCH, 1PST NO, 400A@28VDC MS24185-D2
400A AJ CONTACTOR NONLATCH, 1PST DM, 400A@28VDC M6106/33
400A CC0519P CONTACTOR NONLATCH, 1PST DB+AUX, 500A@28VDC  
500A 507 CONTACTOR NONLATCH, 1PST DM, 500A@28VDC  
700A M 707 CONTACTOR NONLATCH, 1PST DM, 700A@28VDC  
 
 

Control Devices		  
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Series Description Mil-Specification
V310 SENSOR, AC OVERVOLTAGE, 2PDT OR 4PDT, 10A@28VDC  
P510 SENSOR, AC PHASE SEQUENCE, 2PDT OR 4PDT, 10A@28VDC  
V610 SENSOR, AC POWER MONITOR, 2PDT OR 4PDT, 10A@28VDC  
V210 SENSOR, AC UNDER VOLTAGE, 2PDT OR 4PDT, 10A@28VDC  
V710 SENSOR, AC VOLTAGE, 2PDT, 3PDT OR 4PDT, 10A@28VDC  
CS400 SENSOR, CURRENT, 2PDT, 2A@28VDC  
CS500 SENSOR, CURRENT, 2PDT, 2A@28VDC  
V110 SENSOR, DC VOLTAGE, 2PDT OR 4PDT, 10A@28VDC  
F410 SENSOR, FREQUENCY, 2PDT OR 4PDT, 10A@28VDC  
CSHM SENSOR, HALL EFFECT FOR CURRENT MEASUREMENT  
CSHPB SENSOR, HALL EFFECT FOR BATTERY BUS DIRECT AND RETURN PROTECTION  
CSHP SENSOR, HALL EFFECT FOR RCCB OPERATION  
VS400 SENSOR, UNDERVOLTAGE, 2PDT, 2A@28VDC  
TD-1436 TIME DELAY ON OPERATE ADJ, 1PST, 0.25A@28VDC M83726/21
TDH-6060/6061 TIME DELAY ON OPERATE ADJ, 2PDT, 10A@28VDC  
TDH-8060/8061 TIME DELAY ON OPERATE ADJ, 2PDT, 10A@28VDC M83726/30
TDH-7060/7061 TIME DELAY ON OPERATE ADJI 4PDT, 10A@28VDC  
TDH-1609 TIME DELAY ON OPERATE FIXED, 1PNO(SSO), 0.15A@28VDC M83726/24
TD-1435 TIME DELAY ON OPERATE FIXED, 1PST, 0.25A@28VDC M83726/20
TDH-6050/6051 TIME DELAY ON OPERATE FIXED, 2PDT, 10A@28VDC  
TDH-8050/8051 TIME DELAY ON OPERATE FIXED, 2PDT, 10A@28VDC M83726/28
TDH-7050/7051 TIME DELAY ON OPERATE FIXED, 4PDT, 10A@28VDC  
T531 TIME DELAY ON OPERATE/RELEASE, FIXED/ADJ, 3PDT, 25A@28VDC  
TDH-8080/8081 TIME DELAY ON RELEASE ADJ, 2PDT, 10A@28VDC M83726/31
TDH-1610 TIME DELAY ON RELEASE FIXED, 1PNO(SSO), 0.15A@28VDC M83726/25
TDH-6070/6071 TIME DELAY ON RELEASE FIXED, 2PDT, 10A@28VDC  
TDH-8070/8071 TIME DELAY ON RELEASE FIXED, 2PDT, 10A@28VDC M83726/29
TDH-7070/7071 TIME DELAY ON RELEASE FIXED, 4PDT, 10A@28VDC  
FLSH402 TIME DELAY PROGRAMMABLE TIME/FUNCTION, 2PST(SSO), 0.25A@28VDC  
TD-1412 TIME DELAY REPEAT CYCLE TIMER, 1PST, 0.25A@28VDC M83726/22
 
 
Application Notes		  
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Note Number Application Notes
1 CORRECTION DUE TO COIL COPPER WIRE RESISTANCE CHANGE IN TEMPERATURE
2 LIFE CAPABILITY VERSUS VOLTAGE: RELAY SERIES F/M30*, 40*, 60*
3 LIFE CAPABILITY VERSUS VOLTAGE: RELAY SERIES F370, F470, F670
4 LIFE CAPABILITY VERSUS VOLTAGE: RELAY SERIES FD370, FD470, FD670
6 RELAY WITH ATTRACT AND HOLD COIL
7 SUPPRESSOR DEVICES FOR RELAY COILS
8 LIFE CAPABILITY VERSUS VOLTAGE: RELAY SERIES F257
9 LIFE CAPABILITY VERSUS VOLTAGE: RELAY SERIES 144
101 DERATING OF CONTACTS FOR DC VOLTAGES ABOVE NOMINAL RATING
102 RELAYS AND TEMPERATURE VARIATIONS
103A CURVES FOR DC VOLTAGES ABOVE NORMAL RATING: RESISTIVE LOAD ONLY: 5A
103B CURVES FOR DC VOLTAGES ABOVE NORMAL RATING: RESISTIVE LOAD ONLY: 10A
103D CURVES FOR DC VOLTAGES ABOVE NORMAL RATING: RESISTIVE LOAD ONLY: 5A/10A
103E CURVES FOR DC VOLTAGES ABOVE NORMAL RATING:RESISTIVE LOAD ONLY: 25A
103F CURVES FOR DC VOLTAGES ABOVE NORMAL RATING:RESISTIVE LOAD ONLY: 20A/25A/50A
103G CURVES FOR DC VOLTAGES ABOVE NORMAL RATING: RESISTIVE LOAD ONLY: 100A/200A/300A/400A
104 SMART CONTACTORS
 
 

Relay Sockets		  
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Series Description
HRCW SOCKET TO SOLDER FOR F250, F257, W260, WB260, 144
S600, S601 SOCKET TO CRIMP FOR F600 AND F601
SM-1000-003 SOCKET TRACK MOUNT FOR X, TDH-1609 AND TDH-1610
SM-1001-003 SOCKET TRACK MOUNT FOR YC
SM-1002-003 SOCKET TRACK MOUNT FOR Y
SO-1021-7127/7126 SOCKET TO SOLDER FOR V110, V210, V310, V710, F410 AND P510
SO-1048-8308/8518 SOCKET TO CRIMP FOR K, TDH-8050, TDH-8060, TDH-8070, TDH-8080 AND VS400
SO-1048-8776/8779 SOCKET TO CRIMP FOR KA AND CS400
SO-1049-8309/8987 SOCKET TO CRIMP FOR J
SO-1049-8772/8774 SOCKET TO CRIMP FOR JA
SO-1055-8690-10147 SOCKET TO CRIMP FOR JL, TDH-6050, TDH-6060 AND TDH-6070
SO-1056-8691 SOCKET TO CRIMP FOR KL, TDH-7050, TDH-7060, AND TDH-7070
SO-1057-8912 SOCKET TO CRIMP FOR KC
SO-1058-8913 SOCKET TO CRIMP FOR KCL
SO-1059-8914 SOCKET TO CRIMP FOR KD
SO-1060-8915 SOCKET TO CRIMP FOR KDL
SO-1061-8916 SOCKET TO CRIMP FOR KDA
SO-1062-8917 SOCKET TO CRIMP FOR KCA
SO-1063-9033/9034 SOCKET TO CRIMP FOR JS/JSA AND JC/JCA
SO-1063-9036 SOCKET TO CRIMP FOR JCL
SO-1064-001 SOCKET TO CRIMP FOR X
SO-1064-003 SOCKET TO CRIMP FOR XL
SO-1064-10425 SOCKET TO CRIMP FOR XC
SO-1064-10444/10445 SOCKET TO CRIMP FOR XA
SO-1064-10534 SOCKET TO CRIMP FOR XCL
SO-1065-001 SOCKET TO CRIMP FOR YC
SO-1065-003 SOCKET TO CRIMP FOR YCL
SO-1065-10392/10393 SOCKET TO CRIMP FOR YCA
SO-1066-001 SOCKET TO CRIMP FOR Y
SO-1066-003 SOCKET TO CRIMP FOR YL
SO-1066-10385/10386 SOCKET TO CRIMP FOR YA
SO9005 SOCKET PCB FOR F250, F257, W260 AND WB260
SO-SSL SOCKET SNAP AND LOCK FOR J, JA, K, KA, KL AND TDX
MT-3000-003 RELAY SOCKET TRACK FOR ALL SM SERIES SOCKETS