The GTM400 contactor is equipped with exclusive glass-to-metal seal (GTMS) technology, which produces an efficient, electrically insulating hermetic seal.
These contactors are perfect for energy storage systems (ESS), high-power DC fast charging, heavy trucks, and other high-voltage applications because they offer dependable switching and circuit protection for high-voltage applications up to 1500 V and 400 A.
Highlights
Safety
- IP67-69 requirements are exceeded by the hermetic seal, which prevents exposed arcing in outdoor settings
- UL and CE recognitions (pending)
Usability
- DC coils with high efficiency (dual coil)
- Ideal for systems that need to use little coil power housing that mounts upright and sideways and has specialized harnesses if needed
- SPDT AUX switch (normally closed, normally open, or both)
Performance
- Best-in-class break performance for enhanced safety
- Advanced arc suppression enhances dependability and longevity
- Strong short circuit performance without risk of rupture or fire
Features
- Patented GTMS (glass-to-metal seal) technology
- High power - up to 1500 V / 400 A
- Fully bidirectional switching
Applications
Image Credit: Sensata Technologies BV
Image Credit: Sensata Technologies BV
Mounting
M6 or ¼-20
Case Material
Crastin FR684NH1 NC010 (25% glass-filled, flame retarded, non-halogenated, PBT)
Power Connection
Stainless M8x1.25 Stud
Stainless M8x1.25 Flanged Nut
Torque 10 Nm [90 in-lb] max
Coil Wire
Silicone, 20 AWG, UL: VW-1
Power Contacts
Image Credit: Sensata Technologies BV
Source: Sensata Technologies BV
| |
|
Units |
Data |
| Rated Voltage |
|
V |
1500 |
| Contact Arrangement |
Main |
Form X |
SPST-NO |
| Auxilary (3 A, 24 VDC)9 |
Form A or B |
SPST |
| Mechanical Life |
|
Cycles |
300,000 |
| Contact Resistance1 |
Max |
mohms |
0.4 |
| Typical |
mohms |
0.15 to 0.2 |
| Operate Time2 |
Max |
ms |
40 |
| Typical |
ms |
20 |
| Release Time, Max |
|
ms |
12 |
| Insulation Resistance3 |
|
Mohms |
100 |
| Dielectric At Sea Level (Leakage < 1 mA) |
VRMS |
5,400 |
| Shock, 1/2 Sine, 11 ms |
G |
35 |
| Vibration, Sinusoidal (500-2000 Hz Peak) |
G |
20 |
| Ambient Temp Range |
Operating4 |
˚C |
-40 to +85 |
| Storage |
˚C |
-70 to +150 |
| Weight, Typical |
|
Kg (Lb) |
<0.91 (2.0) |
| Environmental Seal |
|
Exceeds IP67 & IP69K |
| Salt Fog |
|
MIL-STD-810 |
| Electrical Specifications |
|
|
| Electrical Life (Resistive) with |
|
1500 V, 100 A, 6 K Cycles |
| Current Withstand |
|
400 A, Continuous |
Coil Ratings at 25 ˚C
Source: Sensata Technologies BV
| Coil P/N Designation |
B |
C |
F |
| Coil Voltage, Max |
16 V |
32 V |
60 V |
| Pick-Up Voltage, Max5, 7 |
9 V |
18 V |
40 V |
| Drop-Out Voltage |
6.5 V max. |
12.5 V max |
4 to 15 V |
| Pick-Up Current, Max (75 ms)6, 7 |
4.3 A |
1.6 A |
0.98 A |
| Coil Current6 |
0.24 A |
0.09 A |
0.044 A |
| Coil Power6 |
2.9 W |
2.1 W |
2.1 W |
| Internal Coil Suppression |
|
|
|
| Coil Back EMF |
55 V |
55 V |
125 V |
| Transients, Max (13 ms) |
±50 V |
±50 V |
±75 V |
General Notes
- Contact resistance measured at currents higher than 100A.
- Operation time is measured at 25 °C and includes maximum 7ms bounce.
- Insulation resistance is 50 Mohms after life.
- Contactor can operate up to 125 °C in special cases - contact Sensata for details.
- Contactor has two coils. Both are used for pick-up, and then in approximately 75 milliseconds, one coil is electronically removed from the coil drive circuit. The remaining coil supplies low continuous hold power sufficient for the contactor to meet all of its specified performance specifications. This provides low coil power without PWM electronics that can cause EMI emissions and/or cross-talk on control power.
- Contactor is operated by a coil that changes resistance with temperature. Since pick-up current, coil current and coil power are specified at nominal voltage, they will be lower than indicated at temperatures above 25 °C and higher than indicated at temperatures below 25 °C. Similarly, pick-up and drop-out voltages will be higher than indicated at temperatures above 25 °C and lower than indicated at temperatures below 25 °C.
- For pick-up testing of contactors with dual coils, the voltage can not be ramped up slowly, but must be applied instantly to at least the maximum pick-up voltage. Otherwise, the contactor will not pick-up.
- Limit make current to avoid contact welding. Contact Sensata regarding DC Power Switching Cycle Life for part numbers that include auxiliary contacts.
- Auxillary contact rating is 2 A, 24 Vdc Resistive load, 100,000 cycles. Minimum current is 0.1 mA, 5 V. The auxiliary contact is mechanically linked to the main power contact (pending confirmation).