M.UNION Verified Suppliers in China, provides quality made in China products and certified China manufacturers. All China manufacturers in manufacturer-union.com are certificated by manufacturer union.
Recommended Enterprises
You Are Here: About Company » Products Categories » DC_AC contactors » TK50D Type Fully Sealed High Voltage DC Contactor
TK50D Type Fully Sealed High Voltage DC Contactor
TK50D 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: TK50D/12V
The DC contactor of main contact is one NO, rated voltage not more than DC 750V,current 500A, coi
Basic Technical Parameters (at normal conditions
| Electric Parameters | |||
| Contact type |
One pair of bridge type moving open (NO) contacts |
Pickup time(ms) | ≤50 |
| Rated voltage of contacts (DC) | ≤220V | Release time(ms) | ≤50 |
| Rated current of contacts (A) | 50 | Instantaneous maxi (closing) current | 7Ie,≤1s |
| Switching load capacity of contact(DC) | 750V, 15A | Insulation resistance(MΩ) | ≥100 |
| 600V, 20A | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown | |
| 450V, 40A | Electric cycles (104) | ≥1 | |
| 220V, 50A | Mechanical cycles (104) | ≥30 | |
| Voltage drop on contacts(mV) | ≤100 | Temperature rise on outgoing terminal | ≤65 |
| Coil voltage specification(DC) | 12V, 24V, 48V, 72V etc | Temperature rise of coil(K) | ≤85 |
| DC power consumption of coil (W) | ≤6 | Material of contact | AgCuO(10) |
| Pickup voltage(DC) | ≤75%Us | Working duty | Long term |
| Release voltage(DC) | ≥5%Us;≤40%Us | Acting frequency | ≤1Hz |
| Mechanical/Ambient Conditions | |||
| Torque of outgoing terminal on contact M5(N.m) | ≯2.6N appropriate | Protection grade | IP67 |
| Leading mode of coil |
High temperature insulated multiple-stranded CU wire |
Mounting methods | Freely |
| Working temperature | (-25~+55)°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 | 27 | 60 | 611 |
| 24 | 107.6 | 72 | 880 |
| 48 | 418.9 | 80 | 1107 |
Outline and Mounting Picture
Products Categories
New Products
