DC Contactors: High Voltage, Light Weight and Environmentally sealed
Engineered for flexibility in usage our DC Contactors are available in variations. We offer high-vibration HARTMAN and KILOVAC DC Contactors for aerospace and defense applications, rated to make, break and carry 500 amps, with overload ratings up to 2,000 amps along with our Industrial offering of ECK and ECP DC Contactors for BESS, EVI and general industrial applications with rating voltage 1000-1500 VDC, designed to carry 800 amps. These DC Contactors either come equipped with electronic or mechanical economizers or are available as basic contactors to which you may apply your own economizer circuits.
High Voltage DC Contactors ECP Series
ECP series high voltage contactors are designed for battery energy storage systems, photovoltaic inverters,and EV chargers. With the hydrogen gas filling and ceramic hermetically sealing technology, they can achieve excellent arc extinguishing, making them safer and reliable, applicable in 1500 VDC voltage system.
High Voltage DC Contactors ECP Series
Product Specification Overview
| Relay Type | ECP 40B | ECP 150B | ECP 250B | ECP 350B | ECK 600B |
|---|---|---|---|---|---|
| Contacts | |||||
| Contact arrangement | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) |
| Continuous carry current DC [A] | 40 A | 350 A | 500 A | 500 A | 800 A |
| Rated current [A] | 40 A | 150 A | 250 A | 350 A | 600 A |
| Max. switching voltage [V] | 1500 VDC | 1500 VDC | 1500 VDC | 1500 VDC | 1500 VDC |
| Main contact polarity | Non-polarity | Non-polarity | Non-polarity | Non-polarity | Non-polarity |
| Mechanical life | Upto 200,000 cycles | Upto 200,000 cycles | Upto 200,000 cycles | Upto 200,000 cycles | Upto 200,000 cycles |
| Auxiliary Contact Data | |||||
| Contact form | No auxiliary contact | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) |
| Contact current, Max | No auxiliary contact | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC |
| Contact current, Min | No auxiliary contact | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC |
| Coil Data | |||||
| Coil type | Single Coil | Dual Coil | Dual Coil | Dual Coil | Dual Coil |
| Coil voltages DC [V] | 12, 24 | 12, 24 | 12, 24 | 12, 24 | 12, 24 |
| Steady coil power [W] or Startup/ Holding power [W/W] | 3 | 50 / 5 | 50 / 5 | 50 / 5 | 50 / 5 |
| Max operate voltage DC [V] | 16, 32 | 16, 32 | 16, 32 | 16, 32 | 16, 32 |
| Min release voltage DC [V] | 1, 2 | 1.2, 2.4 | 1.2, 2.4 | 1.2, 2.4 | 1.2, 2.4 |
| Initial Dielectric Strength | |||||
| Breakdown voltage [Vrms] Opened main contacts Main contacts-coil Main contact-aux contacts |
5400 Vrms |
5400 Vrms | 5400 Vrms | 5400 Vrms | 5400 Vrms |
| 5400 Vrms |
5400 Vrms | 5400 Vrms | 5400 Vrms | 5400 Vrms | |
| 5400 Vrms |
5400 Vrms | 5400 Vrms | 5400 Vrms | 5400 Vrms | |
| General Data | |||||
| Ambient temperature [°C] | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C |
| Termination | Screw | Screw | Screw | Screw | Screw |
| Mounting | Panel mount | Panel mount | Panel mount | Panel mount | Panel mount |
| Certifications | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE |
High Voltage DC Contactors ECK Series
The ECK series is designed for control in new energy applications. The ECK product line is an advanced and reliable solution for EV charging stations, solar inverters, battery energy storage systems, automated-guided vehicles (AGV) and e-Forklifts, they provide bi-directional loads, With hydrogen gas filling and ceramic hermetically sealing technology, they can achieve excellent arc extinguishing, making them safer and reliable. These contactors can be used in 1000VDC system applications.
High Voltage DC Contactors ECK Series
Product Specification Overview
| Product Series | ECK 50B | ECK 100B | ECK 150B | ECK 200B | ECK 250B | ECK 150 | ECK 200 | ECK 250 |
|---|---|---|---|---|---|---|---|---|
| Contact arrangement | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) | 1 Form X (SPST-NO-DM) |
| Continuous carry current DC [A] |
100 A | 150 A | 200 A | 500 A | 500 A | 200 A | 500 A | 500A |
| Rated current[A] | 50A | 100A | 150A | 200A | 250A | 150A | 200A | 250A |
| Max. switching voltage [V] | 1000 VDC | 1000 VDC | 1000 VDC | 1000 VDC | 1000 VDC | 1000 VDC | 1000 VDC | 1000 VDC |
| Contact resistance max [mΩ] | 1.2 mΩ (50 A, after 1min) |
0.8 mΩ (100 A, after 1min) |
0.4 mΩ (150 A, after 1min) |
0.4 mΩ (200 A, after 1min) |
0.4 mΩ (250 A, after 1min) |
0.4 mΩ (150 A, after 1min) |
0.4 mΩ (200 A, after 1min) |
0.4 mΩ (250A, after 1min) |
| Main contact polarity | Non-polarity | Non-polarity | Non-polarity | Non-polarity | Non-polarity | Polarity | Polarity | Polarity |
| Mechanical life | Upto 250,000 cycles | Upto 250,000 cycles | Upto 500,000 cycles | Upto 500,000 cycles | Upto 500,000 cycles | Upto 500,000 cycles | Upto 500,000 cycles | Upto 500,000 cycles |
| Auxiliary Contact Data | ||||||||
| Contact form | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) | 1 Form A (SPST-NO) |
| Contact current, Max | 2A, 30VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC | 2 A, 30 VDC |
| Contact current, Min | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC | 10 mA, 24 VDC |
| Coil Data | ||||||||
| Coil type | Single Coil | Single Coil | PWM control | PWM control | PWM control | PWM control | PWM control | PWM control |
| Coil voltages DC [V] | 12, 24, 48 | 12, 24, 48 | 9 - 36 | 9 - 36 | 9 - 36 | 9 - 36 | 9 - 36 | 9 - 36 |
| Steady coil power [W] or Startup/ Holding power [W/W] |
5.5, 6, 6 | 5.5, 6, 6 | 27.7 / 1.7 | 27.7 / 1.7 | 27.7 / 1.7 | 27.7 / 1.7 | 27.7 / 1.7 | 27.7 / 1.7 |
| Max operate voltage DC [V] | 13.2, 26.5, 52.8 | 13.2, 26.5, 52.8 |
36 | 36 | 36 | 36 | 36 | 36 |
| Min release voltage DC [V] | 10% Un | 10% Un | 3 | 3 | 3 | 3 | 3 | 3 |
| Initial Dielectric Strength | ||||||||
Breakdown voltage [Vrms]
Main contacts- coil |
4300 Vrms |
4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms |
| 4300 Vrms |
4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | |
| 4300 Vrms |
4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | 4300 Vrms | |
| General Data | ||||||||
| Ambient temperature [°C] | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C |
| Termination | Screw | Screw | Screw | Screw | Screw | Screw | Screw | Screw |
| Mounting | Panel mount | Panel mount | Panel mount | Panel mount | Panel mount | Panel mount | Panel mount | Panel mount |
| Certifications | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE | UL, TUV, CE |
HARTMAN DC Contactors
For the most severe environmental conditions HARTMAN DC contactors are lightweight and environmentally (gasket) sealed, with hermetically-sealed enclosures available for most severe environmental conditions or altitudes above 50,000 feet. Multiple main contact configurations and auxiliary contact configurations are available. AC and DC contactors are designed to meet the applicable requirements of MIL-PRF-6106 and/or specific customer specifications.
Featured Product
HARTMAN DC Contactors - K-Series
HARTMAN DC contactors, operate at 28 volts and are among the smallest and lightest 200-1000 ampere DC contactors available in the aerospace industry. These highly flexible buss bar mounted or chassis mounted units are designed for either continuous or start duty applications in the DC power distribution systems of military and commerical aircraft and ground vehicles.
| Description | Contact Arrangement | Sealed | Amp Rating |
| K200 | SPST NO. Double Break | Gasket | up to 200 Amps |
| K400 | SPST NO. Double Break | Gasket | up to 400 Amps |
| K500 | SPST NO. Double Break | Gasket | up to 500 Amps |
| K-1000 | SPST NO. Double Break | Gasket | up to 1,000 Amps |
KILOVAC DC Contactors
KILOVAC DC Contactors from TE Connectivity deliver the switching performance demanded by aerospace and defense applications. These lightweight dc power contactors offer continuous current ratings up to 500 amps at 900 volts dc in very compact packages.
KILOVAC High Voltage DC Contactors
Product Specification Overview
| Product Series | MAP101 | MAP100 | CAP202 | CAP200/ MAP200 | MAP201 | CAP200B | |
|---|---|---|---|---|---|---|---|
| Main Contact Data | |||||||
| Continuous Current | A | 100 | 100 | 300 | 500 | 350 | 500 |
| Contact Voltage Range | Vdc | 12-900 | 12-900 | 12-900 | 12-900 | 12-900 | 12-900 |
| Electrical Life at Rared Current, 270Vdc, Resistive Load | Cycles | 25,000 | 15,000 | 10,000 | 1,000 | 5,000 | 2,000 |
| Overload (Make/Break) @ 350Vdc | A | 2,000/2,000 | 500/1,500 | 650/2,000 | 650/2,000 | 2,000/2,000 | 650/1,500 |
| Rupture (Break Only) @350 Vdc | A | 2,000 | 1,500 | 2,000 | 2,000 | 2,000 | 1,500 |
| Contact Arrangement | SPST | SPST | DPST | SPST | SPST | SPST | |
| Contact Form | Latch | X (NO) or Latch | X (NO) | X (NO) or Latch | X (NO) or Latch | Y (NC) | |
| Contact Resistance @ Rated Current | milliohms | 0.75 | 0.5 | 0.2 | 0.2 | 0.3 | 0.2 |
| Auxiliary Contact Data | |||||||
| Contact Form/ Quantity of Sets (Max.) | Form A/1 | Form A/1 | Form C/4 | Form A/2 | Form A/2 | Form A/1 | |
| Current Rating @ 30Vdc (Ag/Au), Max. | A | 2.0/0.1 | 2.0/0.1 | 2.0/0.1 | 2.0/0.1 | 2.0/0.1 | 2.0/0.1 |
| Minimum Signal Level | Vdc/mAdc | Ag 6V/15mA Au 5V/5mA |
Ag 6V/15mA Au 5V/5mA |
Ag 6V/15mA Au 5V/5mA |
Ag 6V/15mA Au 5V/5mA |
Ag 6V/15mA Au 5V/5mA |
Ag 6V/15mA Au 5V/5mA |
| Dielectric Withstanding Voltage | |||||||
| Contacts to Coil to All Other Points | Vrms | 1,500 | 1,500 | 2,200 | 2,200 | 2,200 | 2,200 |
| Insulation Resistance | |||||||
| Initially @ 500Vdc | megohms | 100 | 100 | 100 | 100 | 100 | 100 |
| At End of Life @ 500Vdc | megohms | 50 | 50 | 50 | 50 | 50 | 50 |
| Environmental Data | |||||||
| Operating Temperature Range | °C | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 |
| Storage Temperature Range | °C | -65 to +125 | -65 to +125 | -65 to +125 | -65 to +125 | -65 to +125 | -65 to +125 |
| Shock, 11ms, 1/2 Sine | G's | 20 | 20 | 30 | 20 | 20 | 20 |
| Vibration, Sine (55-2,000 Hz) | G's | 20 | 20 | 20 | 20 | 20 | 20 |
| Coil Transient Suppression | No | X, Yes/Latch, No | Yes | Yes | Yes | Yes | |
| Mechanical Data | |||||||
| Operate Time @25°C (Including Bounce), Max./Typ. | ms | 40/20 | 40/20 | 40/20 | 40/20 | 40/20 | 40/20 |
| Release Time, Max. | ms | 15 | 15 | 15 | 15 | 15 | 15 |
| Bounce Time, Max. | ms | 5 | 5 | 5 | 5 | 5 | 5 |
| Mechanical Life, Min. | Cycles | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 |
| Weight (Nominal) | lb. (kg) | 0.79 (.35) | 0.79 (.35) | 1.3 (.59) | .95 (.43) | .95 (.43) | .95 (.43) |
| Coil Voltage (Nominal) | Vdc | 28 | 28 | 28 | 28 | 28 | 28 |
Shop Featured High-Voltage DC Relays
High Voltage Relays offer low and stable contact resistance over the part life cycle.
