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Weg
CWC07-10-30V24
Mini Contactor, 7 Amp, 1NO Auxiliary Contacts, 3NO Power Poles, 180-208V 50Hz/208-240V 60Hz, Screw Terminal, IP20, 2.28" x 1.77" x 2..05" (HWD), CWC Series
$16.85$16.85 -
Available Now! 
Available Now!Weg
ESW-B25D15A-R33
Enclosed Starter, 7.5hp@230V, 25A, 120V Coil, 50/60Hz, Start/Stop+Reset, NEMA 1, 15-23A Overload Range, Direct Three Phase, Metallic Enclosure, Full Voltage, Non-Reversing, Non-Combination
$175.81$175.81 -
Weg
ESWS-B40V24A-RM70
Enclosed Starter, 40 Amp (40A) CWB Contactor, 208-240VAC Coil Voltage, Start/Stop, 25-40A Overload Range, Single Phase, NEMA 1, Metallic Enclosure, Non Reversing Non-Combination Across the Line Starter, M06 Box: 13 x 7.5 x 5.6 (HWD)
$250.98$250.98 -
Weg
ESWS-B9V24A-RM27
Enclosed Starter, 9A, 208-240VCoil, Start/Stop + Reset , 4-6.3A Overload Range, Single Phase, Metallic Enclosure, NEMA 1, Full Voltage, Non-Reversing, Non-Combination
$115.47$115.47 -
Noark
Ex9CKT20B20N7Q
DP (Definite Purpose) Contactor, Lug Terminals, 20 Amp (20A), 2NO, 277VAC Coil, 50/60Hz, Quad QCT, Ex9CKT Series
$14.86$14.86 -
$25.13$25.13 -
Weg
PESW-B50V24AX-R71
Enclosed Starter, 50 Amp (50A) CWB Contactor, 180-208VAC (50Hz) / 208-240VAC (60Hz), A-On-Off Button, 32-50A (RW67) Overload Range, Three Phase, NEMA 4X, Non-Metallic, Non-Reversing, Non-Combination Across the Line Starter
$336.98$336.98 -
$24.75$24.75 -
$25.50$25.50 -
$32.95$32.95 -
$32.95$32.95 -
$32.95$32.95
A motor starter is a contactor plus an overload relay; without an overload it is just a contactor.
A motor starter starts and stops a connected motor load and will provide protection in case of a sudden loss of power or if the motor overloads. A contactor is similar to a relay (but can handle larger amounts of electrical power and handle higher voltage loads) and is used for switching current on and off in a circuit. Contactors are used to control electrical loads and motors without providing overload protection.
a.k.a. motor starter, IEC contactor, dp contactor, thermal overload relay, motor protectors