BQG-FB-11 type (dual beam) explosion-proof lifting limiter

Author:Anonymous Update:2013-7-11 Hits:0

Features and Uses

BCQ-FB-11 series explosion-proof lifting limiter for all types of explosion-lifting equipment, the product from the bearing sensor, flameproof chamber, flameproof junction box and display instruments in four parts, of which proof box with round cylinder explosion-proof structure that can 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 Class 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