PU-RV explosion-proof control panel for mining equipment
Environment conditions:
-
Underground excavations at mines, shafts and their surface buildings with hazardous gaseous and/or dusty ambient
-
Category I explosive mixture (methane at underground works) ambient or corrosive salty dust ambient
-
Climatic version: UKhL (temperate and cold); location category: 5
-
Ambient temperature: minus 5C to +35°C
-
Relative humidity: max. (98±2)% at (25±2)°C
-
Atmospheric pressure: (99.75±13.3) kPa
-
Dust concentration in air: max. 1500 mg/m3
-
Installation site vibration: max. 25Hz, acceleration at max. 1g
-
Mechanical impact exposure group: M6
-
Severe shock or impact: not allowed
-
Working position: not limited
The control panel provides:
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Control of two machines (items) with individual START and STOP buttons
-
Light indication of machine (item) duty mode and status
-
Generation of START, STOP, EMERGENCY STOP commands by means of control buttons
Main performance specifications
|
Property |
Value |
|---|---|
|
Input voltage, Ui, V, max. |
25 |
|
Input current, li, mA, max. |
45 |
|
Internal capacitance, Ci, μF, max. |
0 |
|
Internal inductance, Li, mHn, max. |
0 |
|
Rating of intrinsically safe circuits connected to the panel |
ib |
|
Enclosure protection rating |
IP54 |
|
Ex rating |
РВ Ex ib I Мb |
|
Dimensions, mm, max. |
320×288×148 |
|
Weight, kg, max. |
8 |