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TK200A Type Fully Sealed High Voltage DC Contactor
TK200A Type Fully Sealed High Voltage DC Contactor
The products are mainly used to control switching on/off of power supply of storage battery car,electric forklift, electric winch, electric car,excavator, air conditioner in vehicle, power source
For example: TK200A/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 220V, current 200A, coil
| Basic Technical Parameters (at normal conditions) | ||||
| Electric Parameters | ||||
| Contact type |
One pair of bridge type moving open (NO) contacts |
Pickup voltage(DC) | ≤75%Us | |
| Rated voltage of contacts (DC) | 220V, 200A | Release voltage(DC) | ≥5%Us;≤60%Us | |
| Switching load capacity of contact(DC) | DC450V, 80A | Pickup time(ms) | ≤30 | |
| DC380V, 100A | Release time(ms) | ≤50 | ||
| DC320V, 15A | Instantaneous maximum current | 1400A,≤1s | ||
| Voltage drop on contacts(mV) | Insulation resistance(MΩ) | ≥100 | ||
| Contact overload capability | ≤100 | ≥20s | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown |
| 1000A | ||||
|
The test was terminated when the temperature rise of the outlet reached 65K. Record power-on time |
800A | ≥45s | Electric cycles (104) | ≥1 |
| 600A | ≥90s | Mechanical cycles (104) | ≥30 | |
| 400A | ≥5min | Temperature rise on outgoing terminal | ≤65 | |
| ≥1h | Temperature rise of coil(K) | ≤85 | ||
| Coil voltage specification(DC) | 12V, 24V | Material of contact | AgCuO(10) | |
| Coil DC current(A) | Starting current | ≤3.0 | Working duty | Long term |
| Hold current |
≤1.0, (Maintain power≤3W) |
Acting frequency | ≤1Hz | |
| Mechanical/Ambient Conditions | ||||
|
Torque of outgoing terminal on contact M8(N.m) |
≯9.0N appropriate | Protection grade | IP67 | |
| Leading mode of coil |
High temperature insulated multiple-stranded CU wire |
Mounting methods | Freely | |
| Working temperature | (-20~+85)°C | Vibration | Sine shock: 2.5g, (5~50) Hz | |
| Mounting altitude | ≤2Km | Impact | 50g,11ms(Half sine) | |
| Conversion Table for Coil Specification(20°C) | ||||
| Voltage(V) | Coil resistance(1±10%)Ω | Voltage(V) | Coil resistance(1±10%)Ω | |
| 12 | 3 | |||
| 24 | 3 | |||
Outline and Mounting Picture
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