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Encoder Motor, 25 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 284TC Frame, TENV

Part#: 284THTCD7026

Catalog#: Y553A

Model#: 284THTCD7026AA

Weight: 445 lb

List Price: $10,421.00

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Key Features

IP-55 Cast Iron, MaxGuard® inverter rated insulation system exceeds NEMA MG1 Part 31. No lead lengths restrictions on 460V systems or less (as noted)
2000:1 Constant torque operation from 0 to base speed on vector drive
Constant Horsepower operation up to 2 times base RPM
MAX GUARD® Class H insulation system
Normally closed thermostats (one per phase, Class F), Modifications and Kits are available
Double-shielded ball bearings
40°C Ambient 1.0SF inverter power
Provisions Only for Encoder
UL Recognized, CSA Certified, and CE Mark

Specifications

Phase	Phase: 3	Output HP	Output HP: 25 Hp
Output KW	Output KW: 18.7 kW	Voltage	Voltage: 230/460 V
Speed	Speed: 1778 rpm	Service Factor	Service Factor: 1
Frame	Frame: 284TC	Enclosure	Enclosure: Totally Enclosed Non Ventilated
Thermal Protection	Thermal Protection: Thermostat	Efficiency	Efficiency: 93.6 %
Ambient Temperature	Ambient Temperature: 40 °C	Frequency	Frequency: 60 Hz
Current	Current: 59.0/29.5 A	Power Factor	Power Factor: 84.8
Duty	Duty: Continuous	Insulation Class	Insulation Class: H
Design Code	Design Code: INV	KVA Code	KVA Code: L
Drive End Bearing Size	Drive End Bearing Size: 6311	Opp Drive End Bearing Size	Opp Drive End Bearing Size: 6311
UL	UL: Recognized	CSA	CSA: Y
CE	CE: Y	IP Code	IP Code: 55
Number of Speeds	Number of Speeds: 1

Electrical Type	Electrical Type: Squirrel Cage Inverter Duty	Starting Method	Starting Method: Inverter Only
Poles	Poles: 4	Rotation	Rotation: Reversible
Resistance Main	Resistance Main: .282 Ohms	Mounting	Mounting: Rigid Base
Motor Orientation	Motor Orientation: Horizontal	Drive End Bearing	Drive End Bearing: Ball
Opp Drive End Bearing	Opp Drive End Bearing: Ball	Frame Material	Frame Material: Cast Iron
Shaft Type	Shaft Type: T	Shaft Diameter	Shaft Diameter: 1.875 in
Assembly/Box Mounting	Assembly/Box Mounting: F1/F2 CAPABLE	Inverter Load	Inverter Load: CONSTANT 1000:1

% of Rated Load	0%	25%	50%	75%	100%	115%	125%
% of Rated Load: Current (Amps)	0%: 13.17	25%: 14.72	50%: 18.50	75%: 23.50	100%: 29.50	115%: 33.50	125%: 36.00
% of Rated Load: Rated Output (KW)	0%: 0.55	25%: 5.25	50%: 10.05	75%: 14.93	100%: 19.93	115%: 22.98	125%: 25.04
% of Rated Load: Efficiency (%)	0%: 0.0	25%: 88.7	50%: 92.8	75%: 93.7	100%: 93.6	115%: 93.4	125%: 93.1
% of Rated Load: Power Factor (%)	0%: 5.2	25%: 44.8	50%: 68.1	75%: 79.4	100%: 84.8	115%: 86.6	125%: 87.4
% of Rated Load: Speed (RPM)	0%: 1,800	25%: 1,795	50%: 1,789	75%: 1,784	100%: 1,778	115%: 1,775	125%: 1,772
% of Rated Load: Temp. Rise @ FL	0%: 0.0	25%: 0.0	50%: 0.0	75%: 0.0	100%: 105.0	115%: 0.0	125%: 0.0
% of Rated Load: Torque (ft-lbs)	0%: 0.00	25%: 18.30	50%: 36.70	75%: 55.21	100%: 73.86	115%: 85.10	125%: 92.63

Curvepoint	Current (Amps)	Current (%)	Torque (ft-lbs)	Torque (%)	Speed (RPM)	Rated Output (KW)	Power Factor (%)	Rated Output (Hp)
Curvepoint: Locked-Rotor	Current (Amps): 275.00	Current (%): 0.0	Torque (ft-lbs): 129.00	Torque (%): 174.0	Speed (RPM): 0	Rated Output (KW): 71.80	Power Factor (%): 32.8	Rated Output (Hp): 25.00
Curvepoint: Full Load	Current (Amps): 29.50	Current (%): 0.0	Torque (ft-lbs): 73.86	Torque (%): 100.0	Speed (RPM): 1,778	Rated Output (KW): 19.93	Power Factor (%): 85.0	Rated Output (Hp): 25.00
Curvepoint: Break-Down	Current (Amps): 172.00	Current (%): 0.0	Torque (ft-lbs): 289.00	Torque (%): 390.0	Speed (RPM): 1,573	Rated Output (KW): 95.60	Power Factor (%): 69.7	Rated Output (Hp): 25.00

Efficiency

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