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Whether for comprehensive date acquisition, safe and secure date exchange with surface, PC-visualisation of current longwall data, or central control and maintenance of machines - the Cat main control unit MCU2 meets all the hardware and software requirements for underground mining. The MCU2 has a rugged housing for use in explosion-hazard areas.

Electrical Power Supply

Interface Non-intrinsically safe USB interface Non-intrinsically safe USB interface Less
Power Supply of the Explosion-Proof Part 110-240V AC 110-240V AC Less
Power Supply of the Intrinsically Safe Part 12V DC, maximum 2A 12V DC, maximum 2A Less


Operating System Windows 7 Windows 7 Less
Processor Intel Core i7, 2.1 GHz Intel Core i7, 2.1 GHz Less
RAM Memory 4 GB 4 GB Less
Resolution 1280:1024 1280:1024 Less
Input Equipment Keyboard with integrated mouse Keyboard with integrated mouse Less
Hard Drive - 1 TB 2.5 in 6.4 cm Less
Display 19.0 in 48.3 cm Less
Data Memory 2 × 120 GB SSD 2 × 120 GB SSD Less

Intrinsically Safe Interfaces

Type (3) COM 4 BIDI SKK24 COM 4 BIDI SKK24 Less
Ethernet Via Fiber-Optic Cable 9 μm 9 μm Less
Type (4) COM 2 BIDI SKK24 COM 2 BIDI SKK24 Less
Type (2) COM 1 BIDI SKK24 COM 1 BIDI SKK24 Less
Type (1) COM 3 BIDI SKK24 COM 3 BIDI SKK24 Less

Certifications and Identification

Type of Protection I M2 EEx ib I I M2 EEx ib I Less
Certifications ATEX (within system: MA and GOST) ATEX (within system: MA and GOST) Less
Temperature Range -20° C to +60° C (-4° F to +140° F) -20° C to +60° C (-4° F to +140° F) Less


Approximate Weight 441.0 lb 200.0 kg Less

Dimensions (Approximate)

Length - Large Base 45.08 in 1145.0 mm Less
Width 24.8 in 630.0 mm Less
Height 17.72 in 450.0 mm Less
Length - Small Base 37.2 in 945.0 mm Less