The HV contactor is 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
Application
TK200H High-Voltage DC Contactor 12V/200A plays a key role in railway traction and train braking systems, ensuring the smooth operation and emergency braking of trains. In addition to the railway field, it can also be used in power systems, industry, and traffic signal systems.
Ordering Notice
For example: TK200H/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 450V, 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) | 450V, 200A | Release voltage(DC) | ≥5%Us;≤60%Us | |
| Switching load capacity of contact(DC) | DC600V, 100A | Pickup time(ms) | ≤30 | |
| DC750V, 80A | Release time(ms) | ≤50 | ||
| DC900V, 10A | Instantaneous maximum current | 1400A,≤1s | ||
| Voltage drop on contacts(mV) | Insulation resistance(MΩ) | ≥100 | ||
| Contact overload capability | ≤80 1000A |
≥20s | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown |
| 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, | Acting frequency | ≤1Hz | |
| (Maintain power≤3W) | ||||
| 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 | (-40~+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
The HV contactors are mainly used to control switching on/off of power
Created by a DC contactor manufacturer, the fully enclosed high-voltag
The HV contactors are mainly used to control switching on/off of power
The HV contactor is mainly used to control switching on/off of power s