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Help Center11 Loops Anti-Explosive Intrinsically Safe Combination Starter
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Purpose
Mining explosion-proof intrinsically safe combination starter is suitable to the coal mine well with mixed gas containing methane. In the power supply system of 50 Hz AC, rated voltage of 3300 V, the product can achieve control alone, sequence control, interlock control, mixture control, fast-slow speed shift to multi dual speed motor and triphase asynchronous inductive motor The switch is configured into KJ254 mining power monitoring system to achieve automation of power supply.
Technical features
- All english touched display ,operation convenient, intuitive;
- Pulling-down menu setting, user can operate setting and modifying parameters of switch.The step is one.
- Standard RS485/232comunication interface;
- With the protective functions of over current,short-circuit,low voltage,phase losing, current leakage interlock,over voltage absorbtion, triphase imbalance;
- Real-time display triphase current, system voltage, operation status, loop on-line status,insulation status, fault type and others;
- With functions of fault check, fault memory;
- Configured in the RS485 system of mining power automatic control and comprehensive Monitoring to achieve remote survey, remote control and remote adjustment;
- Inletting device: quick plug, presser-plate optional;
- It can supply illumination power of 4KVA/127V(220V).
Technical Data
Type |
QJZ-1800/3300-8.9.10.11.12 |
Structure |
Contactor: modular each loop exactly same |
Rated voltage(V) |
3300 |
Control modes |
Single motor-single speed, double motor-single speed, single motor-double speed, double motor-double speed, mixed usage |
Total working current(A) |
1600-1800 |
||
Branch max current(A) |
450 |
||
Working frequency(Hz) |
50 |
Number of loops |
8.9.10.11.12 loops |
Contactor capacity (A) |
450 |
Combination modes |
Each loop can combine arbitrarily |
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