Products
BQG-FB-1 type (single beam) explosion-proof lifting limiter
Author:Anonymous Update:2013-7-11 Hits:0
Features and Uses
BCQ-FB-1 Series explosion-proof lifting limiter for all types of explosion-lifting equipment, the product from the tension side pressure sensor, flameproof chamber, flameproof junction box and display instruments in four parts, of which proof box with cylinder explosion-proof structure, able to withstand internal explosion of an explosive gas mixture pressure, and to prevent an explosive mixture inside the spread, the sensor display instruments and other related parts of the line are linked through the lock nut so that the whole system can achieve II C explosion-proof requirements.
Dimensions
Technical parameters
|
Ambient temperature
|
-20 ℃ ~ +60 ℃
|
|
Humidity
|
90% RH
|
|
Supply Voltage
|
36VAC/220VAC +10%; -15% 50Hz
|
|
Display error
|
≤ ± 3% |
|
Comprehensive error
|
≤ ± 5% |
|
Pre-alarm points
|
90% of nominal weight lifting loop power supply is not cut off
|
|
Delay alarm point
|
105% of rated capacity, delay of 1 to 2 seconds off the lifting loop power
|
|
Immediate alarm point
|
130% of rated capacity
|
|
Sensor overload
|
1.5 times |
|
Control relay contact capacity
|
220V, 15A
|
|
Explosion proof grade electrical control box
|
d (ia) II CT4; protection: IP54
|
|
Meter Box Explosion levels
|
ia II CT4; Protection Level: IP42
|
|
Sensors Explosion levels
|
ia II CT4; Protection: IP65
|