Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 27-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 00709XT3E256T
List Price : $4,707
Notes:
Performed by: Checked:
Three-Phase : Explosion Proof - NEMA Premium
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 256T
Output : 7.5 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 880
Slip : 2.22 %
Voltage : 208-230/460 V
Rated current : 25.7-23.2/11.6 A
Locked rotor current : 123/61.5 A
Locked rotor current (Il/In) : 5.3
No-load current : 14.4/7.20 A
Full load torque : 44.2 lb.ft
Locked rotor torque : 210 %
Breakdown torque : 280 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 23 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP54
Approximate weight : 353 lb
Moment of inertia : 4.1546 sq.ft.lb
Noise level : 54 dB(A)
Three-Phase : Explosion Proof - NEMA Premium
No.:
Date: 27-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6309 C3 6209 Z-C3 100% 0.68 87.5
Regreasing interval 20000 h 20000 h 75% 0.60 87.5
Grease amount 13 g 9 g 50% 0.48 86.5
Notes:
Performed by Checked