C Motor Contactors
Last Updated: April 1, 2025
Description
C Motor Contactors are devices used to control the flow of electricity to motors. They function as a switch that can turn on or off the power supply to motor-controlled equipment and electric motors. These contactors are integral components of motor starters, which also include overload protection circuits to prevent excessive current draw during motor startup.
Working Principle
C Motor Contactors operate using an electromagnetic mechanism. When the coil within the contactor is energized, it creates a magnetic field that pulls a set of contacts together, allowing electricity to flow through and power the motor. This electromechanical action is crucial for managing the power supply to motors, ensuring they operate efficiently and safely. The contactors are designed to handle high current loads and provide protection against low-voltage and power interruptions, making them essential for maintaining the reliability and longevity of motor systems.
Applications
C Motor Contactors are used in a variety of applications where control over motor operation is necessary. They are commonly found in industrial settings for controlling large motors in machinery and equipment. Specific examples include their use in conveyor systems, pumps, and HVAC systems, where precise control over motor operation is critical for system performance and efficiency.
Advantages over other Motor Contactors
C Motor Contactors offer several advantages over other types of motor contactors. They are available in multiple configurations, such as two-pole, three-pole, and four-pole devices, providing flexibility in their application. The availability of different coil voltages and current ratings allows for a wide range of motor control applications. Additionally, their design includes features like overload protection circuits, which help prevent damage to motors by avoiding excessive current draw during startup.
Limitations
One limitation of C Motor Contactors is their reliance on electromagnetic operation, which can be affected by environmental factors such as dust and moisture. This can lead to potential issues with reliability and performance if not properly maintained. Additionally, while they provide essential protection and control, they may not be suitable for applications requiring rapid switching or precise control over motor speed and torque.
Considerations
When selecting C Motor Contactors, several factors should be considered to ensure optimal performance and cost-effectiveness. Initial costs can vary depending on the size and specifications of the contactor, but they are generally a cost-effective solution for motor control. Operating expenses are typically low, as they are designed for durability and long service life. However, regular maintenance is necessary to ensure reliability, especially in harsh environments. Replacement and maintenance costs should be factored into the overall cost of ownership, as worn or damaged contactors can lead to system downtime and increased operational costs.
from Radwell International
AUXILIARY CONTACT, FRONT MOUNT, 1NO/1NC, USE WITH EX9C IEC CONTACTORS. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, TESYS DECA GREEN, NONREVERSING, 80A RESISTIVE, 4 POLE, 4 NO, 24VDC COIL, OPEN STYLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Number of Poles: 4
- Standard Rating: IEC
from Radwell International
WEG ELECTRIC CWB SERIES IEC CONTACTOR, 18A, (3) N.O. POWER POLES, (1) N.O./(1) N.C. AUXILIARY CONTACTS, 120 VAC (50/60HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 120
- Standard Rating: IEC
from Radwell International
CONTACTOR, 3-P N/0, 240VAC, 156A, AC NON-REVERSING IEC CONTACTOR, A SERIES. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
WEG ELECTRIC CWB SERIES IEC CONTACTOR, 65A, (3) N.O. POWER POLES, (1) N.O./(1) N.C. AUXILIARY CONTACTS, 24 VDC COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Control Voltage: 24
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, TESYS DECA GREEN, NONREVERSING, 9-AMP, 5HP AT 480VAC, UP TO 100KA SCCR, 3 PHASE, 3 NO, 48/130 VAC/VDC COIL, OPEN. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- AC Motor Phase: Three
- Standard Rating: IEC
- Motor Voltage: 130
from Radwell International
IEC CONTACTOR, MC SERIES, GENERAL PURPOSE, MC-330A, 3 POLE, 330 AMP, 240V COIL, 100-240 VAC, IP20, 2 NO/NC AUX CONTACTS. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Continuous Current: 330
- Standard Rating: IEC
- Motor Voltage: 240
from Radwell International
FUJI ELECTRIC SC-E03P SERIES IEC CONTACTOR, 12A, (3) N.O. POWER POLES, 120 VAC (60HZ)/110 VAC (50HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 110 to 120
- Standard Rating: IEC
from Radwell International
FUJI ELECTRIC SC-E05P SERIES IEC CONTACTOR, 25A, (3) N.O. POWER POLES, 24 VAC (60HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 24
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, 25A, 24V DC COIL VOLTAGE, 3 N.O POWER CONTACTS, SUGGESTED REPLACEMENT FOR SC-E05/G-24VDC. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, 25A, 3 N.O. POWER CONTACTS, 440-480 VAC, 60 HZ COIL VOLTAGE, SUGGESTED REPLACEMENT FOR SC-E05-440VAC. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 480
- Standard Rating: IEC
from Radwell International
EATON FREEDOM SERIES IEC CONTACTOR, 10A, (4) N.O. POWER POLES, 120 VAC (60HZ)/110 VAC (50HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 110 to 120
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, SCREW TERMINALS, 16A, LINE SIDE CONNECTION, 24V 50/60HZ, 0 N.O. 1 N.C. AUXILIARY CONTACT CONFIGURATION, REMOVE TERMINAL SHROUDS. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
FUJI ELECTRIC SC-E02PG SERIES IEC CONTACTOR, 9A, (3) N.O. POWER POLES, 24 VDC COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Control Voltage: 24
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, COIL VOLTAGE VAC NOM:24V; NO. OF POLES:3; CONTACTS:3PST-3NO-DM; CONTINUOUS LOAD CURRENT:12A; MOUNTING TYPE:DIN RAIL/PANEL; COIL VOLTAGE. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, COIL VOLTAGE VAC NOM:24V; NO. OF POLES:3; CONTACTS:3PST-3NO-DM; CONTINUOUS LOAD CURRENT:65A; MOUNTING TYPE:DIN RAIL/PANEL; COIL VOLTAGE. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
DISCONTINUED BY MANUFACTURER, MAGNETIC IEC CONTACTOR, 120V COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, GH15 SERIES, 9A, (3) N.O. POWER POLES, 240 VAC (60HZ)/220 VAC (50HZ) COIL VOLTAGE. (1) N.C. AUXILIARY CONTACT INCLUDED.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 220 to 240
- Standard Rating: IEC
from Radwell International
CONTACTOR, FVNR 23A, 3-POLE, 120VAC COIL, 1NO AUX, 23 AMP 3 POLE IEC CONTACTOR WITH 1 N.O., BASE CONTACT AND 110/120VAC COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Continuous Current: 23
- Standard Rating: IEC
- Number of Poles: 3
from Radwell International
EATON FREEDOM SERIES IEC CONTACTOR, 12A, (4) N.O. POWER POLES, 120 VAC (60HZ)/110 VAC (50HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 110 to 120
- Standard Rating: IEC
from Radwell International
EATON XT IEC CONTACTOR, 110-120 VAC, 50-60 HZ, FRAME P, 260 MM, THREE-POLE, NON-REVERSING, SIZE P, NO OVERLOAD RELAY, FREEDOM. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 120
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, OPEN TYPE, CONTINUOUS DUTY, NON REVERSING, 3 POLE, 110-120 VAC, 50/60 HZ, 200 AMP. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Continuous Current: 200
- Standard Rating: IEC
- Motor Voltage: 120
from Radwell International
EATON FREEDOM SERIES IEC CONTACTOR, 32A, (3) N.O. POWER POLES, (1) N.O. AUXILIARY CONTACTS, 120 VAC (60HZ)/110 VAC (50HZ) COIL VOLTAGE.. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 110 to 120
- Standard Rating: IEC
from Radwell International
IEC CONTACTOR, FREEDOM SERIES, 32A, (3) N.O. POWER CONTACT(S), 240 VAC (60HZ)/220 VAC (50HZ) COIL VOLTAGE, (1) N.O. SIDE MOUNTED AUXILIARY CONTACT INCLUDED. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Motor Voltage: 220 to 240
- Standard Rating: IEC
from Radwell International
AC NON-REVERSING IEC CONTACTOR, A SERIES, 110-120VAC, 50/60HZ, 2NO/2NC, W/ 3 CA5-10 AUX CONTACTS. FREE 2 YEAR RADWELL WARRANTY [See More]
- IEC Size: C
- Standard Rating: IEC