The products are mainly used for emergency power off of DC power supply systems such as battery cars, electric forklifts electric vehicles and
Application
The products are mainly used for emergency power off of DC power supply systems such as battery cars, electric forklifts, electric vehicles and
Ordering Notice
For example: ZJK250A
Emergency power off switch with Rated voltage not
| Basic Technical Parameters (at normal conditions) | |||
| Electric Parameters | |||
| Contact type | One pair of bridge type | Instantaneous maxi (closing) current | 1000A, ≤1s |
| Rated voltage of contacts (DC) | ≤80V | Insulation resistance(MΩ) | DC500V, ≥100 |
| Rated current of contacts (A) | 250 | Dielectric withstand voltage | 1500V,p.f. 1min, no breakdown |
| Voltage drop on contacts(mV) | ≤80 (at 100A) | Electric cycles (104) | ≥1 |
| Operational form | Manual | Mechanical cycles (104) | ≥2 |
| Disconnect thrust F1(N) | 20.0≤F1≤30.0 | Temperature rise on outgoing terminal | ≤65 |
| Closed pull force F2(N) | 20.0≤F2≤40.0 | Material of contact | AgCuO(10)/Cu |
| Normal closing time (ms) | ≤100 | Working duty | Continuous operating duty |
| Normal disconnection time (ms) | ≤50 | ||
| Mechanical/Ambient Conditions | |||
| Torque of outgoing terminal on contact M8(N.m) | ≯8.5N appropriate | Protection grade | IP50 |
| Torque of outgoing terminal on coil M5(N.m) | ≯2.0N appropriate | Mounting methods | Freely |
| Working temperature | (-25~+55)°C | Vibration | Sine shock: 2.5g, (5~50) Hz |
| Mounting altitude | ≤2Km | Impact | 50g,11ms(Half sine) |
| Safety certification Quality certification | |||
| 3C | 2015170302000405 | GB/T19001-2008/ISO9001-2008 | QWZ19140757 |
| ISO/TS16949-2009 | CNTS016227 | ||
Outline and Mounting Picture
ZJK series emergency power-off switch adopts mechanical limit design a
The products are mainly used for emergency power off of DC power suppl