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Available Now! 
Available Now!Weg
RW67-1D3-U050
Overload Relay, 3 Pole, 32-50A, Class 10, 2.87 x 1.97 x 4.17" (HWD), Use with CWM32 to CWM40 Contactor Models
$61.95$61.95 -
Available Now! 
Available Now!LS Electric
0707102000
Manual Motor Starter, 100A, (80-100A), 100F, High Breaking Capacity, Overload & Instantaneous Protection, This is the Latest Version of (0707002000, 707002000, MMS-100H 100A EXP)
$326.38$326.38 -
Weg
CWC025-00-30V47
Mini Contactor, 22 Amp, 3NO Power Poles, 400-415V 50Hz/480V 60Hz, Screw Terminal, IP20, 2.29" x 1.77" x 2.20" (HWD), CWC Series
$28.08$28.08 -
Available Now! 
Available Now!Weg
CWM12-10-30V47
Contactor, IEC, 12 Amps, 1NO, 480VAC, 3-Pole, UL508, Use RW Overload Relay
$41.46$41.46 -
Available Now! 
Available Now!Weg
ESW-B9D39A-R27
Enclosed Starter, 1.5hp@230V, 9 Amp (9A), 480V Coil, Start/Stop+Reset, 4-6.3A (RW27) Overload Range, 3 Phase, NEMA 1 Metallic Enclosure, Full Voltage, Non-Reversing, Non-Combination
$133.77$133.77 -
Available Now! 
Available Now!Weg
PESW-B18V24AX-R66
Enclosed Starter, 5hp@230V / 10hp@460V / 15hp@575V, 18A, 208-240V Coil, Start / Stop+Reset, 4X, 11-17A Overload Range, 3 Phase, Non-Metallic Enclosure, NEMA 4X, Full Voltage, Non-Reversing, Non-Combination
$140.26$140.26 -
Weg
PESW-B9V24AX-R63
Enclosed Starter, 3hp@230V / 7.5hp@575V, 9A, 208-240V Coil, Start / Stop+Reset, 7-10A Overload Range, 3 Phase, Non-Metallic Enclosure, NEMA 4X, Full Voltage, Non-Reversing, Non-Combination
$122.22$122.22 -
Weg
PESWS-B18V24AX-RM65
Enclosed Starter, 0.75hp@115V / 2hp@230V 12A 208-240V Coil, Start / Stop+Reset, 10-15A Overload Range, Single Phase, Non-Metallic Enclosure, NEMA 4X, Full Voltage, Non-Reversing, Non-Combination
$105.92$105.92 -
Available Now! 
Available Now!Weg
CWM105-00-30V18
Contactor, IEC, 105 Amps, 120VAC, 3-Pole, UL508, Use RW Overload Relay
$178.54$178.54 -
Available Now! 
Available Now!Weg
ESWE-B9D15KX-D10
Enclosed Starter for 3hp@200V, 3hp@230V, 5hp@460V, 7-1/2hp@575V Maximum hp 3-Phase Motor, 9 Amp CWB Contactor, 120VAC Coil Voltage without CPT, 50/60Hz, 6.3 - 10 Amp MPW40 Overload Relay
$551.15$551.15 -
Available Now! 
Available Now!Weg
PESW-B18D39AX-R66
Enclosed Starter, 5hp@230V / 10hp@460V / 15hp@575V, 18A, 480V Coil, Start / Stop+Reset, 4X, 11-17A Overload Range, 3 Phase, Non-Metallic Enclosure, NEMA 4X, Full Voltage, Non-Reversing, Non-Combination
$134.56$134.56 -
Available Now! 
Available Now!Weg
CWC07-10-30L03
Mini Contactor, 7 Amp, 1NO Auxiliary Contact, 3NO Power Poles, 24VDC (LC), Screw Terminal, IP20, 2.28 x 1.77 x 2.05" (HWD), CWC Series
$21.76$21.76
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