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Weg
PESWS-B50D15AX-RM71
Enclosed Starter, 50 Amp (50A) CWB Contactor, 120VAC Coil Voltage, Start/Stop, 32-50A Overload Range, Single Phase, NEMA 4X, Non-Metallic, Non-Reversing, Non-Combination Across the Line Starter, M06 Box Dimensions: 13 x 7.5 x 5.6 (HWD)
$256.08$256.08 -
Available Now! 
$32.95$32.95 -
$101.98$101.98 -
$231.18$231.18 -
Weg
CWC07-10-30V04
Mini Contactor, 7 Amp, 1NO Auxiliary Contacts, 3NO Power Poles, 20V 50Hz/24V 60Hz, Screw Terminal, IP20, 2.28" x 1.77" x 2..05" (HWD), CWC Series
$16.85$16.85 -
$136.35$136.35 -
Weg
ESWS-B50V24E-RM70
Enclosed Starter, 50 Amp (50A) CWB Contactor, 208-240VAC Coil Voltage, Reset Only, 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)
$210.21$210.21 -
$36.56$36.56 -
Available Now! 
Available Now!Noark
EX9CDS25A30U7B
Contactor, IEC, 25A, 3NO+1NC Aux Contact, 240V, NC1-2501, 50/60HZ
$40.56$40.56 -
$56.26$56.26 -
Noark
Ex9CK60B30B7
DP (Definite Purpose) Contactor, Lug Terminals, 60 Amp (60A), 3NO, 24VAC Coil, 50/60Hz, Ex9CK Series
$72.22$72.22 -
Noark
Ex9CK75B30B7
DP (Definite Purpose) Contactor, Lug Terminals, 75 Amp (75A), 3NO, 24VAC Coil, 50/60Hz, Ex9CK Series
$137.86$137.86
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