AC Contactors and Starters

Catalogs > Industrial Controls Catalog > Motor Control, NEMA > Contactors, Starters, and Overload Relays > AC Contactors and Starters > Bulletin 500 Top Wiring For Motor Loads

Bulletin 500 Top Wiring For Motor Loads

Catalog Number Explanation

Example Cat. No.

500	–	B		A		D		930	–	1
a		b		c		d		e		f

a			b			c
Bulletin No.			NEMA Size			NEMA Enclosure Type
Bulletin No.	Description		Code	Description		Code	Type
500	Combination — Top wired for motor loads		A	0		A	Type 1
500F	Contactor — Feed-through wiring contactor for motor loads		B	1		C	Type 4 (stainless steel)
500FL	Contactor — Feed-through lighting contactor, 3 pole maximum		C	2		E	Type 7 & 9 bolted
500L	Contactor — Top wired lighting contactor		D	3		H	Type 3R, 7 & 9 bolted
500LP	Contactor — Permanent magnet-latching lighting contactor		E	4		J	Type 12
505	Starter — Reversing		F	5		O	No enclosure
509	Starter — Non-reversing		G	6		S	Type 4X (non-metallic)
520	Starter — Multispeed		H	7
			J	8
			K	9
			T	00

d							e			f
Nominal Coil Voltage							Number of Poles¬			Options
Code	Voltage	Freq- uency	Code	Voltage	Freq- uency		Code	Voltage Description
A	230…240V	60 Hz	KN	380…400V	50 Hz		92	Two Poles		See Modifications for Non-Combination Devices for detailed information on options.
B	460…480V	60 Hz	M	500V	50 Hz		920	Two Poles and (1) Auxiliary Contact (N.O.)
C	575…600V	60 Hz	N	380V	50 Hz		93	Three poles
D	115…120V	60 Hz	P	220…230V	50 Hz		930	Three Poles and (1) Auxiliary Contact (N.O.)
F	277V	60 Hz	Q	440…460V	50 Hz		94	Four Poles
H	200…208V	60 Hz	R	550V	50 Hz		940	Four Poles and (1) Auxiliary Contact (N.O.)
I	415V	50 Hz	S	110…115V	50 Hz		95	Five Poles
J	24V	60 Hz	T	240V	50 Hz		950	Five Poles and (1) Auxiliary Contact (N.O.)
K	24V	50 Hz	U	415V	60 Hz

Note:All enclosed non-combination contactors and starters are supplied with external reset as standard.

¬ Applies to contactors only