Cat CN3586 Electric Motor for Gas Compression

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Type of EX-Protection

Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)

Mounting Designation

F1 or F2

Voltage/Frequency

4000V & 4160V ± 10%/60 Hz

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Feature and benefits

Get power built for your most demanding gas compression applications. Every Cat® electric motor is tested at each stage of production to make sure it performs reliably under load and according to your process requirements. High operating efficiency and low operating costs come with low noise levels and no emissions. Cat electric motors for gas compression are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.

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Technical specification

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Metric

Electric Motor Specifications

Specification	Value
Type of EX-Protection	Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
Mounting Designation	F1 or F2
Voltage/Frequency	4000V & 4160V ± 10%/60 Hz
Full Load Speed	894 rpm
Electric Motor Type	Squirrel Cage Induction Motor
Number of Poles	8
Maximum Ambient Temperature	40 °C
Full Load Current	458 Amps
Shaft	216 mm
Rated Torque	27.869 N·m
Maximum Altitude - Before Derate	1.000 m
Locked Rotor Amps	540% Code E
Connection of Stator Winding	Star
Standards	NEMA MG1
Duty	Continuous
Enclosure Type/Method of Cooling	WP-II
Locked Rotor Torque	60%
Service Factor	1.15 SF (1.0 VFD)
No Load Current	137 Amps
Insulation	Class F
Temperature Rise	Class B at rated load

Bearings

Bearing RTDs for temperature monitoring
Insulated non-drive end bearings to reduce bearing currents
Anti-friction on 1500 hp (optional)

Rotors

Designed for minimal vibration
Dynamic balancing at full operational speed
Fabricated copper squirrel cages
Forged, keyless shaft
AISI 4140/DIN42CrMo4 shaft

Stators

Radial air ducts ensure uniform and efficient cooling
Vacuum pressure impregnated with specially formulated epoxy resin
2X RTDS per Phase
Space heater
Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges

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