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MX Series — Heavy-Duty DC ContactorsMIL-R-6106 Standard

Military and heavy-duty silver-contact, hermetically sealed DC contactor family

GIGAVAC MX Series sealed DC Contactors are designed to meet MIL-R-6106 and are especially suited for military vehicles and heavy-duty applications. The hermetically sealed chamber shields the coil, contacts, and electronics from all outside environmental factors. The ceramic-to-metal weld provides a vibration-resistant, robust structure. Silver-plated contacts deliver low contact resistance and long life under high inrush conditions.
Military ground vehiclesHeavy-duty machineryIndustrial battery disconnectForklift / AGV power linesTelecom backup power
SERIES CERTIFICATIONS08APPROVALS
  • MIL-R-6106/G
  • MIL-STD-810
  • MIL-STD-202
  • MIL-STD-883
  • RoHS
  • REACH
  • CE
  • EPIC®

Certifications vary by model — see the corresponding model datasheet for details.

01Continuous Current
150-400 A
02Sealing
IP69K
03Voltage
48 VDC
04Temperature
-40 to +85 °C
01

MX Series Heavy-duty Contactor Models

Sorted by current rating (150A → 1000A)

19 MODELS10,112 PRODUCTS
SHARED IN THIS GROUPVoltage:48 VdcContact Form:SPST-NORated Voltage (V):48
CONFIGURATORMODEL↑ currentContinuous CurrentMountingCoil OptionsPDF
MX11
150 ABottom Mount12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX11
MX21
150 AStand-up Mounting12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX21
MX12
200 ABottom Mount12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX12
MX22
200 AStand-up Mounting12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX22
MX32
200 ASide Mount12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX32
MX52
200 ASide Mount12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX52
MX62
200 AChassis Mount12/24/48/72/120 Vdc, 120/240 VacDatasheet (PDF) — MX62
MX23
300 AStand-up Mounting12/24/48 VdcDatasheet (PDF) — MX23
MX14
400 ABottom Mount12/24/48 VdcDatasheet (PDF) — MX14
MX24
400 AStand-up Mounting12/24/48 VdcDatasheet (PDF) — MX24
MX34
400 ASide Mount12/24/48 VdcDatasheet (PDF) — MX34
MX54
400 ASide Mount12/24/48 VdcDatasheet (PDF) — MX54
MX64
400 AChassis Mount12/24/48 VdcDatasheet (PDF) — MX64
MX15
500 ABottom Mount12/24/48 VdcDatasheet (PDF) — MX15
MX16
600 ABottom Mount12/24/48 VdcDatasheet (PDF) — MX16
MX46
600 ABottom Mount12/24/48 VdcDatasheet (PDF) — MX46
MX56
600 ASide Mount12/24/48 VdcDatasheet (PDF) — MX56
MX66
600 ABusbar Mounting12/24/48 VdcDatasheet (PDF) — MX66
MX110
1000 ABottom Mount12/24 VdcDatasheet (PDF) — MX110

Smart & specialty models

12 models · Latching Type DC Contactors · NC Main Contact DC Contactors · CANBUS Communication DC Contactors · Over Current & Current Sensing Smart DC Contactors

02

Latching Type DC Contactors

3 MODELS840 PRODUCTS
SHARED IN THIS GROUPVoltage:48 VdcMounting:Bottom MountRated Voltage (V):48
CONFIGURATORMODELContinuous CurrentContact FormCoil OptionsFeaturePDF
MXL14
400 ASPST-NO (Latching)12/24 VdcLatchingDatasheet (PDF) — MXL14
MXL15
500 ASPST-NO (Latching)12/24 VdcLatchingDatasheet (PDF) — MXL15
MXSL15
400 ASPST-NO (Sensing)12/24 VdcSensing + LatchingDatasheet (PDF) — MXSL15
03

NC Main Contact DC Contactors

1 MODELS128 PRODUCTS
CONFIGURATORMODELContinuous CurrentVoltageContact FormMountingCoil OptionsFeatureRated Voltage (V)PDF
MXNC14
400 A48 VdcSPST-NCBottom Mount12/24/48 VdcNormally Closed48Datasheet (PDF) — MXNC14
04

CANBUS Communication DC Contactors

2 MODELS432 PRODUCTS
SHARED IN THIS GROUPVoltage:48 VdcContact Form:SPST-NO (CAN-Bus)Mounting:Bottom MountRated Voltage (V):48
CONFIGURATORMODELContinuous CurrentCoil OptionsFeaturePDF
MXC15
350 A12/24 VdcCAN-BusDatasheet (PDF) — MXC15
MXC16
600 A12/24 VdcCAN-BusDatasheet (PDF) — MXC16
05

Over Current & Current Sensing Smart DC Contactors

5 MODELS816 PRODUCTS
SHARED IN THIS GROUPVoltage:48 VdcContact Form:SPST-NO (Sensing)Mounting:Bottom MountRated Voltage (V):48
CONFIGURATORMODELContinuous CurrentCoil OptionsFeaturePDF
MXSA15
350 A12/24 VdcOver Current ContactorDatasheet (PDF) — MXSA15
MXSA16
600 A12/24 VdcOver Current ContactorDatasheet (PDF) — MXSA16
MXSB15
350 A12/24 VdcCurrent Sensing ContactorDatasheet (PDF) — MXSB15
MXSB16
600 A12/24 VdcCurrent Sensing ContactorDatasheet (PDF) — MXSB16
MXSL15
400 A12/24 VdcSensing + LatchingDatasheet (PDF) — MXSL15
06

Adjustable Time-Delay Circuit Opening DC Contactors

2 MODELS48 PRODUCTS
SHARED IN THIS GROUPVoltage:48 VdcContact Form:SPST-NO (Time Delay)Mounting:Bottom MountRated Voltage (V):48
CONFIGURATORMODELContinuous CurrentCoil OptionsFeaturePDF
MXST15
350 A12/24 VdcTime DelayDatasheet (PDF) — MXST15
MXST16
600 A12/24 VdcTime DelayDatasheet (PDF) — MXST16
CONFIGURATOR · MXST16
1Contact Configuration:TDTime Delay2Continuous Current:600600 A3Frame / Mounting Type:MXST16MXST16 — Bottom Mount (Time Delay)

Coil codes vary by frame. S/T are low-power versions available only on 150 A & 200 A frames. K/L (AC) are available on the 150/200 A family except MX22. All coils include Internal Coil Suppression.

Custom Duration (-MM-SS)

-

Enter minutes (00–99) and seconds (00–59) for a duration not in the presets. The code is appended as -MM-SS. E.g. 30-00 → -30-00.

Applies only to MXST15 and MXST16 (Time Delay). Format: -minutes-seconds (e.g. -30-00 = 30 min).

07

Accessories

connectors, interposer plates and adapters (non-configurable)

5 MODELS
MODELPDF
0544
Datasheet (PDF) — 0544
0697
Datasheet (PDF) — 0697
0856
Datasheet (PDF) — 0856
0857
Datasheet (PDF) — 0857
1006
Datasheet (PDF) — 1006

TECHNICAL DIFFERENTIATORS

Why MX Series?

Superior Contact Construction

  • Contact build engineered for extreme currents

    No melting or welding even under sudden, high-current bursts.

  • Silver contacts deliver long service life

    Consistent performance under high inrush, motor starts and heavy duty.

Dual-Coil Design

  • Separate pick-up and hold coils

    Materially lower annual energy use in always-on applications.

  • Hermetic ceramic-insulated body + operation up to 200 °C

    Full environmental isolation — ideal for engine-bay and high-temperature use.

Military-Grade Certification

  • Designed to meet MIL-R-6106

    Officially qualified for military vehicles and heavy-duty environments.

  • cRUus and RoHS compliant

    International compliance, easy export and certification.

Heavy-Duty Current Performance

  • 150 A to 1000 A continuous contact current

    Single supplier across all 12 V – 48 V heavy-duty systems.

  • Inrush capability up to 6000 A

    Safe response to ESS make-current, motor inrush and heavy-inrush use.

Heavy-Duty Smart Variants

  • MXL (latching), MXSA (current sensing), MXSB (analog output), MXC (CAN-bus)

    BMS, current protection and digital comms — all from one family.

  • MXST (time-delay), MXSL (low-voltage protection), MXNC (Normally Closed)

    Dedicated models for every protection scenario.

DATASHEET · GUIDE · APPLICATION NOTE

MX Series — Technical Resources

Datasheets

  • MX11 / MX21 DatasheetSOON
  • MX22 / MX32 / MX52 / MX62 DatasheetSOON
  • MX23 DatasheetSOON
  • MX14 / MX24 / MX34 / MX54 / MX64 DatasheetSOON
  • MX15 DatasheetSOON
  • MX16 / MX46 / MX56 / MX66 DatasheetSOON
  • MX110 DatasheetSOON
  • MXL14 Latching DatasheetSOON
  • MXNC14 Normally Closed DatasheetSOON
  • MXSA Current Sensing DatasheetSOON
  • MXSB Analog Output DatasheetSOON
  • MXSL15 Low-Voltage Protection DatasheetSOON
  • MXST15 / MXST16 Time-Delay DatasheetSOON
  • MXC CAN-bus DatasheetSOON

Selection Guides

  • GIGAVAC Selection Guide (2026)SOON
  • Sensata EL Contactor Portfolio Brochure (2025)SOON

Application Notes

FREQUENTLY ASKED QUESTIONS

About the MX series

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