Contactor Relays - 51v to 240v
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Universal Contactor Relay
24 / 120 / 208 / 240v AC
(KO) 91439
Mars universal contactor relay. Coil: 24 / 120 / 208 / 240v AC. 3 pole, 40 amp. 3-3/4" x 3-3/4" x 2-1/2" high.
$79 each
Control Breaker
Control Voltage: 110 / 125v DC
(KO) D-213
Rowan control breaker. Size 4. 100 amp to 550v AC. 3 phase. Control voltage: 110 / 125v DC. Includes auxillary contacts. 6" x 16" x 7-1/2" deep. Harris P/N: 570-0203-000. New, boxed.
$500 each
Medium Contactor Relay
110v DC / 4PDT / 10 amp
(KO) AR106
Potter & Brumfield medium contactor relay. 4PDT, 10 amp contact. 10k ohm, 110v DC, 10 ma coil. 5945-00-702-3737.
$75 each
Contactor Relay
115v AC / 3 Poles
(KO) A2120176-2
Wheelock-Signal contactor relay. 3 poles total. 2 poles N.O., 35 amp @ 115v AC, 1 pole N.O., 10 amp. Coil: 0.05 amp @ 115v AC. Limited adjustable pull-in force. Cast iron frame!
NSN: 5945-00-259-5389.
$25 each
Contactor Relay
115v DC
(KO) 7001-EQ1026
Navy, shipboard contactor relay from the 1940s. 115v DC coil. DPST, normally open. Solid ceramic base. 3" x 4" x 3" high. New, but dusty from spare parts kits. NSN: 5945-00-251-9791.
$15 each
Contactor Relay
115v AC / DPDT / 15 amp
(KO) 120516-C
Westinghouse contactor relay. DPDT, 15 amp wide space contacts, high voltage. Coil 115v AC, 50 / 60 Hz. Type SG. 2" x 4-1/4" x 2-7/8"H. Auxiliary relay contacts.
$49 each

Contactor Relay
115v AC / Double Pole / 25 amp

(KO) PR3146-2
Potter & Brumfield double pole contactor relay. 115v AC, 25 amp, 60 Hz. Spade terminals. 2-1/2" square x 2-1/4" high. Used, removed from service but in good condition.
$10 each - $9 (3+), $8 (10+)
Contactor Relay
120v / 4 Poles / 30 amp
(KO) 702L-B0D94
Allen Bradley contactor relay. Series K. 120v, 60 Hz coil. 30 amp, 4 poles. NEMA open. 6-1/2" x 4" x 3-3/8" deep. Harris P/N: 570-0229-000.
$135 each
AC Contactor Relay
3 Pole / 60 amp / N.O.
(KO) 702L-C0D93
Allen Bradley AC contactor relay. 3 pole. 60 amps continuous. NEMA open. New old stock.
$195 each
Magnetic Contactor Relay
120v / 2 Pole / 40 amp
(KO) 42BF15AF
Furnas magnetic contactor relay. 2 pole. 120 volt, 40 amp resistive coil. 2-1/4" x 3-3/4" x 2-3/4" high. NSN: 6110-01-380-0169.
$45 each
Contactor Relay
120v AC / 3PST / 80 amp
(KO) LC1D6511G7
Telemecanique contactor relay. 3PST, normally open 30kw, 50 HP, 80 amps, 1000v operating, 8kv test on main contacts + aux. contacts. 120v AC, 50 / 60 Hz coil. 3" x 5" x 4-1/2"H.
$169 each
Contactor Relay
120v AC / 3PST / 300 amp / 3 phase
(KO) JCG4001A
Prestolite incredibly HEAVY-DUTY 3PST normally open contactor relay. Rated at 200v AC/60Hz, 300 Amps, Maximum 400v AC at derated capacity. Use on single or three phase projects. 120v AC control coil.  Has secondary N.O. and N.C. feedback switch 4" x 5" x 8" high. Only 48 left in stock.
$250 each
Contactor Relay
120 - 200v AC / 3PST / 350 amp
(KO) JCG6023A
Another Prestolite incredibly HEAVY-DUTY 3PST normally open contactor. This one is more compact than the JCG4001A left. Made to switch 350 amp AC equipment. Use on single or three phase projects. Parallel three for 1000 amp switch! 120 / 200v AC, 60 / 400 Hz control coil. We measured 189 maac at 120v AC to hold the coil. 4-3/4" x 5" x 5-3/8"H. 3/8" diameter silver terminal studs. 110+ pieces new in the box and in stock. 17 pin circular control connector. Mate available for $65 each. NSN: 6110-01-326-1013.
$895 each - $795 (3+), $695 (12+)
Contactor Relay
208v AC / DPDT / 30 amp
(KO) 10078037
Deltrol contactor relay. Series 900. DPDT, 208v AC coil, 30 amp. Contacts: 1-1/2 hp, 30 amp, 120 - 240v AC, 1 phase. Dimensions: 2.5" x 3.5" x 2.25" high.
$49 each - $42 (3+), $37 (12+)
Contactor Relay
208 - 240v AC / 2 Pole / 15 amp
(KO) FE20BA
Rowan contactor relay. 2 pole. 208 / 240v AC coil, 15 amp, 50/60 Hz. 2-1/4" x 2-3/4" x 2-1/2" high.
$39 each
Contactor Relay
220v @ 50 Hz / 600v Contacts / 18.5 kw / 3 Phase
(KO) C5
Audoli contactor relay. C5. 220v @ 50 Hz coil, 600v contacts, 18.5 kw, 3 phase. 3-3/8" x 3-1/2" x 4-3/4" high.
$119 each
Contactor Relay
3 Pole / 220v @ 50 Hz / 240v @ 60 Hz / 55 amp
(KO) DIL3-22
Klockner-Moeller contactor relay. 3 pole. 220v @ 50 Hz, 240v @ 60 Hz. 55 amp. Aux. contacts, 2 normally open, 2 normally closed. 5-1/4" x 5-1/2" x 5-1/4"H.
$450 each
Contactor Relay
220v @ 50 Hz / 240v @ 60 Hz / 90 amp
(KO) DIL4-22
Klockner-Moeller 3 pole contactor relay. 220v @ 50 Hz, 240v @ 60 Hz. 90 amp. Aux. contacts, 2 normally open, 2 normally closed. 6-1/4" x 6" x 5-1/2" deep.
$650 each
3 Phase Dual Contactor Relay
220v @ 50 Hz / 254v @ 60 Hz
(KO) CA1-10-N
Sprecher & Schuh 3 phase dual contactor relay. 20 amp contacts. Fullset - 3 phase auxillary contacts - 10 amps. Coil: 220v @ 50 Hz, 254v @ 60 Hz. 2-5/8" x 2-7/8" x 3".
$145 each
Replacement Coil
(KO) 22-102.206
Sprecher & Schuh replacement coil for (KO) CA1-10-N contactor relay. 210v @ 50 Hz, 240v @ 60 Hz.
$15 each
Contactor Relay
220v / 2 pole / 40 amp @ 500v / 50 Hz Coil
(KO) MS40
F&G contactor relay. 2 pole, 40 amp @ 500v, 220v, 50 Hz coil. 2" x 2-1/2" x 2-3/4"H.
$35 each
Contactor Relay
240v / DPST / 25 amps
(KO) PRD7AY0-220
Potter & Brumfield / AMF contactor relay. DPST. Coil: 240v, 50/60 Hz, 1120 ohms. Contacts: 1 hp, 120v; 2 hp, 240v AC. 25 amp contacts. 2-1/2" x 2-7/16" x 2-1/4".
$17 each - $15 (3+), $13 (10+)
AC Contactor Relay
2 Pole N.O. / 120v AC Coil / 600v / 20 amp
(KO) 700-PK200A1B
Allen Bradley AC contactor relay. 2 pole, normally open. 600v, 20 amp contacts. 120v AC coil. 2-1/8" x 3-1/2" x 3-3/4" high. Brand new in the box!
$65 each
Control Relay
600v / 10 amps / 4 N.O. Contacts / 120v AC Coil
(KO) CA2KN40G7
Telemecanique control relay. 600v, 10 amps. 4 normally open contacts. 120v AC coil. 35mm "DIN" mount. 2-1/4" high.
1-1/4" x 2-1/4" base.
$25 each - $23 (3+), $21 (12+)
Contactor Relay
(KO) 700-RA01
Allen Bradley contactor relay. Front deck with one normally closed contact cartridge. NSN: 5945-01-177-2036. New in box.
$20 each
Contactor Relay
600v / 3 Pole / 25 amp
(KO) XMB-2999
Rowan contactor relay. 3 pole. 600 volt, 25 amp, 120 / 110v coil, 50 / 60 Hz. Auxiliary contacts. Includes enclosure. Removed from brand new, unused military equipment.
$39 each

I-T-E Motor Control
Contactor Relay
600v / 100 amp

(KO) A143E12
I-T-E motor control contactor relay. 600v at 100 amp, 3 phase, 60 Hz. Nema type 3. 120v AC control. 6" x 8" x 6"H. New.
$675 each