Tech Library

TECHNICAL DATA LIBRARY

Use the following tables to select the correct contactor for your application.
Click Here for Electric Meter, Load Management and AMR Contactors.

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which covers a variety of questions and answers including Descriptions of Ratings, otherwise
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Amps/ Pole	No. of Poles	Type of Load	Contactor Type	Details
20A	3 & 4	AC	4E	PDF
32-63A	1	AC	8A	PDF
32-63A	2-4	AC or DC	2J	PDF
32A	up to 18	AC or DC	8Y4	PDF
100A	1-4	AC or DC	2W4	PDF
100A	1-8	AC or DC	2W2	PDF
100A	1 & 3	AC	2Z and 2U	PDF
160-315A	1-4	AC	2D	PDF
160-250A	1-4	AC or DC	2T	PDF
315A	1-4	AC or DC	2K	PDF
630A	1 & 2	AC or DC	2K	PDF
500-630A	1-4	AC or DC	2K	PDF
500-630A	1-4	AC or DC	2MN	PDF
800-1250A	1-4	AC or DC	2N , 2M, 2P and 2R	PDF
32-630A	4	AC	Safety Contactors	PDF
32-1250A	2-4	AC or DC	Change-over Contactors	PDF
30-100A	4	AC &/or DC	BS764 Gravity Change-over	PDF
20A	Up to 8	AC	'Arrow' Multi Pole Relays	PDF
20A	2-4	AC (DC 2 pole)	'Arrow' 128 type	PDF
32A	2-4	AC (DC 2 pole)	'Arrow' 129 type	PDF
50-100A	3-5	AC	'Arrow' 130, 131 & 132 type	PDF
300mA-3A		AC	Earth Leakage Relays	PDF
1.5-160A (CTs to 800A)		AC	RUN Motor Protection	PDF
2.5 & 15A @1.2kV	2	DC	BR7 Traction Contactors	PDF

Clapper Contactor family references

Amps per pole		No. of Normally Open Main Poles available						Normally Closed Main Poles	Suitable for DC Loads	Available as interlocked pairs	Available with Auxiliary Contacts
Heating	Lighting	1	2	3	4	5	>5	Normally Closed Main Poles	Suitable for DC Loads	Available as interlocked pairs	Available with Auxiliary Contacts
20	10	-	-	4E	4E	-	-	-	-	-	-
32	20	8A	2J	2J	2J	8Y4	8Y4	8Y4	2J,8Y4	8Y4	2J,8Y4
45	20	8A	2J	2J	2J	-	-	-	2J	-	2J
63	20	8A	-	-	-	-	-	-	-	-	-
63	40	-	2J	2J	2J	-	-	-	2J	-	2J
100	40	2Z	-	2U	-	-	-	-	-	-	-
100	63	2W4	2W4	2W4	2W4	2W2	2W2	2W2	2W4,2W2	2W4	2W4,2W2
160	125	2D	2D	2D	2D	2T	-	-	2T	2D	2D,2T
250	160	2D	2D	2D	2D	2T	-	2T	2T	2D	2D,2T
315	250	2D	2D	2D	2D	2K	2K	2K	2K	2D	2D,2K
500	400	2M	2M	2M	2M	-	-	-	2M	2M	2M
630	500	2MN	2MN	2MN	2MN	-	-	2K	2K,2MN	2MN	2K,2MN
800	630	2N	2N	2N	2N	-	-	-	2N	2N	2N
1000	800	2P	2P	2P	2P	-	-	-	2P	2P	2P
1250	800	2R	2R	2R	2R	-	-	-	2R	2R	2R

Arrow Block Contactor family references

Amps per pole			Motor kW@ 415V	No. of Normally Open Main Poles available						Normally Closed Main Poles	Available as interlocked pairs	Available with Auxiliary Contacts
Heating	Lighting	Motor	Motor kW@ 415V	1	2	3	4	5	>5	Normally Closed Main Poles	Available as interlocked pairs	Available with Auxiliary Contacts
20	-	-	-	-	-	-	MPR	-	MPR	MPR	-	-
20	10	9	4	-	-	128	128	-	-	-	-	128
32	20	16	8	-	-	129	129	-	-	-	129	129
50	20	32	16	-	-	130	130	130	-	-	130	130
63	32	50	27	-	-	131	131	131	-	-	131	131
80	40	55	30	-	-	132	132	132	-	-	132	132
100	63	72	38	-	-	132X	132X	132X	-	-	132X	132X

If you know roughly what you are looking for and have most of the information then try using our
free (Downloadable) Enbray Selector Program to find the product right for your application.