LETOP delivers high-performance AC modular contactors for 50Hz/60Hz systems. Precisely built and optimized for various AC loads. Our series offers 16A-100A ratings. In 2, 3, and 4-pole options, with 12V-230V AC coil choices, ensuring reliable switching for building, lighting, and motor applications.
LETOP AC Modular Contactors are designed for high performance control in AC power systems. These contactors are strong and modular, can handle a variety of loads and can easily be integrated with various control systems. LETOP contactors are ideal for applications that need durable, reliable and flexible electrical control solutions. They offer reliable load management and can easily be incorporated into existing infrastructure.
eg:
BCH8-25/20 230. It is BCH8 Series, 25Amp, 2 Pole NO Contacts, 230V AC current coil voltage
| A: Modular Contactor Series | B: Current Rating | C: Operation by Manual | D: Normally Open | E: Normally Closed | F: Coil Voltage | |||||||||
| BCH8 | AC Modular Contactor Series | 16 | AC1 16 Amp Contactor | M | Manual Operation | 10 | 1 Pole NO Contact | 24 | 24V AC Supply Voltage | |||||
| 20 | AC1 20 Amp Contactor | 20 | 2 Pole NO Contacts | 110 | 110V AC Supply Voltage | |||||||||
| 25 | AC1 25 Amp Contactor | 11 | 1 NO 1 NC Contacts | 240 | 240V AC Supply Voltage | |||||||||
| 32 | AC1 32 Amp Contactor | 02 | 2 Pole NC Contacts | |||||||||||
| 40 | AC1 40 Amp Contactor | 40 | 4 Pole NO Contacts | |||||||||||
| 63 | AC1 63 Amp Contactor | 31 | 3 NO 1 NC Contacts | |||||||||||
| 100 | AC1 100 Amp Contactor | 13 | 1 NO 3 NC Contacts | |||||||||||
| 22 | 2 NO 2 NC Contacts | |||||||||||||
| 04 | 4 Pole NC Contacts | |||||||||||||
| Specification | 16A | 20A | 25A | 40A | 63A | 80A | 100A | 125A | ||
| Rated current | AC-7a（AC-1） | 16 | 20 | 25 | 40 | 63 | 80 | 100 | 125 | |
| AC-7b（AC-3） | 6 | 7 | 9 | 18 | 25 | 32 | 40 | 50 | ||
| Agreed heating current Ith (A) | 25 | 25 | 25 | 63 | 63 | 125 | 125 | 125 | ||
| Rated operating voltage Ue (V) | 250V(1P/2P), 400V(3P/4P) | |||||||||
| Number of main contacts | 1P | 1NO、1NC | ||||||||
| 2P | 1NO1NC、2NO、2NC | |||||||||
| 3P | 3NO、3NC | |||||||||
| 4P | 2NO2NC、3NO1NC、4NO、4NC | |||||||||
| Control power (KW) | AC-7a（AC-1） | 250V | 3.6 | 4.6 | 5.7 | 9.2 | 14.4 | 18.4 | 23 | 27.6 |
| 400V | 6.3 | 7.6 | 16.4 | 26.2 | 41.4 | 52.5 | 65.7 | 82.1 | ||
| AC-7b（AC-3） | 250V | 1.3 | 1.6 | 2.0 | 4.1 | 5.7 | 7.3 | 9.2 | 11.5 | |
| 400V | 3.9 | 4.3 | 5.9 | 11.8 | 16.4 | 21 | 26.2 | 32.8 | ||
| Maximum number of switching operations per hour | 30 | |||||||||
| Maximum number of switching operations per day | 100 | |||||||||
The auxiliary for contactor is used to indicate the status of the contactor contacts by switching ON or OFF.
Using spacer reduces temperature rise in proximity devices to avoid mechanical or electrical interference.
Here you can find answers to some of your common questions related to ac modular contactors, which can help resolve any doubts you may have.
LETOP AC modular contactors are specifically engineered for alternating current applications with optimized magnetic cores, AC-rated contact materials, and enhanced arc extinction systems designed for 50Hz/60Hz power systems, ensuring superior performance compared to general-purpose contactors.
Yes, our AC modular contactors are specifically designed to handle inductive AC loads including motors, transformers, and solenoids. They feature enhanced contact materials and arc extinction systems optimized for inductive switching
LETOP AC modular contactors support various auxiliary contact configurations including NO (normally open), NC (normally closed), and convertible contacts, with options for front-mounted or side-mounted auxiliary contact blocks.
Yes, we provide custom coil voltages and contact ratings to match specific AC system requirements, including non-standard voltages and specialized AC applications.
Consider your AC voltage, current rating, load type (resistive/inductive), switching frequency, and auxiliary contact requirements. Our technical team can provide application-specific recommendations for optimal AC contactor selection.
If no relevant issues are found, please contact us, E-mail:info@letopv.com.
