BELLE™ Written-Pole® Motor Specifications

Written-Pole Motor Specifications

CHARACTERISTICS:

Single-phase, 30 to 100 HP
Unity power factor
High power factor during start
Starts high inertia loads
Low starting current
across-the-line

TEFC Design
Synchronous
Smooth (constant torque) start
Eliminates flicker and line sags
Instant restart after MPIs
(Momentary Power Interruptions)

High Efficiency
Low Harmonic input
High starting torque per amp
Complete unit includes control
system in a separate
NEMA-3R enclosure

SPECIFICATIONS:

Rating (hp)	30	40	50	60	75	100
Speed (rpm)	1800	1800	1800	1800	1800	1800
Voltage (nominal)	230/460	230/460	460	460	460	460
Frequency (Hz)	60	60	60	60	60	60
Full Load (Running) Amps	105/52	139/69	86	103	128	170
Locked Rotor (Starting) Amps	176/86	229/114	142	170	211	280
Full Load Torque (ft.lb.)	88	117	146	175	219	291
NEMA Frame Size: Iron	365T	405T	405T	445T	445T	449T
Weight (lbs) Iron	950	1800	1900	2000	2200	2700
Efficiency %	93	93.5	94.0	94.5	95	95.5
Ambient Starting Temp. Range	Ambient Starting Temperature is 4° C to 40° C. If your application is outside this range, please contact SPPS.

* Approximate Values

Frame	C*	D	E	H	NW	O*	P*	R	S	T	U	AB*	BA*	ES	2E	2F*
326T	30	9	7.00	.656	5.875	16.5	18.25	2.0156	.625	2.5	2.375	14.125	5.875	3.91	14	12.25
365T	34.50	8.86	7.00	.66	6.08	18.28	19.29	2.021	.625	2.67	2.375	17.28	5.67	4.56	14.01	12.25
405T	41.22	10.00	8.00	.94	7.25	20.93	22.83	2.45	.75	3.56	2.875	21.54	6.08	5.26	16.00	13.74
445TÜ	47.70	11.00	9.00	.81	8.50	23.01	25.83	2.88	.875	2.67	3.375	22.24	7.50	7.33	18.00	16.50
449T	59.0	11.00	9.00	.81	10.5	23.01	25.83	3.312	1.00	2.67	3.375	22.24	7.50	7.33	18.00	25.00

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