DC Modular Contactor BMC7

Trusted DC Modular Contactors Supplier

LETOP DC Modular Contactors are specifically designed for direct current systems and provide accurate and dependable control over DC loads. These contactors are built to withstand the unique demands of DC environments, offering a modular approach to integration with systems such as solar inverters, battery chargers, and telecommunications equipment. LETOP DC contactors are the ultimate solution for efficient DC power management, designed for long-lasting use and adaptability.

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DC Modular Contactor

BCM7 Series

BMC7-16 2P DC Modular Contactor

BMC7-16 2P

  • Modular Contactor 16 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-16 4P DC Modular Contactor

BMC7-16 4P

  • Modular Contactor 16 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-20 2P DC Modular Contactor

BMC7-20 2P

  • Modular Contactor 20 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-20 4P DC Modular Contactor

BMC7-20 4P

  • Modular Contactor 20 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-25 2P DC Modular Contactor

BMC7-25 2P

  • Modular Contactor 25 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-25 4P DC Modular Contactor

BMC7-25 4P

  • Modular Contactor 25 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-32A 2P DC Modular Contactor

BMC7-32 2P

  • Modular Contactor 32 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-32 4P DC Modular Contactor

BMC7-32 4P

  • Modular Contactor 32 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-40 2P DC Modular Contactor

BMC7-40 2P

  • Modular Contactor 40 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-40 4P DC Modular Contactor

BMC7-40 4P

  • Modular Contactor 40 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-63 2P DC Modular Contactor

BMC7-63 2P

  • Modular Contactor 63 Amp 2 Pole
  • 2NO/1NO1NC/2NC
  • 12V/24V/48V/110V/230V AC/DC
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BMC7-63 4P DC Modular Contactor

BMC7-63 4P

  • Modular Contactor 63 Amp 4 Pole
  • 4NO/3NO1NC/2NO2NC/4NC
  • 12V/24V/48V/110V/230V AC/DC
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DC Modular Contactor Options

DC Modular Contactor BMC7 Options

eg:

BMC7-40/31 24. It is BMC7 Series, 40Amp, 3 NO 1 NC Contacts, 230V DC current coil voltage

A: Modular Contactor Series   B: Current Rating   C: Normally Open   D: Normally Closed   E: Coil Voltage   F: Coil Voltage
                         
BMC7 DC Modular Contactor Series   16 AC1 16 Amp Contactor   10   1 Pole NO Contact   12   12V AC/DC Supply Voltage
      20 AC1 20 Amp Contactor   20   2 Pole NO Contacts   24   24V AC/DC Supply Voltage
      25 AC1 25 Amp Contactor   11   1 NO 1 NC Contacts   48   48V AC/DC Supply Voltage
      32 AC1 32 Amp Contactor   02   2 Pole NC Contacts   110   110V AC/DC Supply Voltage
      40 AC1 40 Amp Contactor   40   4 Pole NO Contacts   230   230V AC/DC Supply Voltage
      63 AC1 63 Amp Contactor   31   3 NO 1 NC Contacts        
            13   1 NO 3 NC Contacts        
            22   2 NO 2 NC Contacts        
            04   4 Pole NC Contacts        

DC Modular Contactor Datasheet

Modular Contactor Datasheet
  • ELSV compliance (Extra Low Safety Voltage) for 12/24/48vac versions
  • Product control meets SELV (Safety Extra Low Voltage) requirements
  • In the case of contactor mounting in a enclosure for which the interior temperature is in range detween 50 ℃ and 60 ℃, it is necessary to use a spacer, between each contactor
Installation diagram
Specification 16A 20A 25A 40A 63A
Rated current AC-7a(AC-1) 16 20 25 40 63
  AC-7b(AC-3) 6 7 9 18 25
Agreed heating current Ith (A) 25 25 25 63 63
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
  400V 6.3 7.6 16.4 26.2 41.4
  AC-7b(AC-3) 250V 1.3 1.6 2 4.1 5.7
  400V 3.9 4.3 5.9 11.8 16.4
Maximum number of switching operations per hour 30
Maximum number of switching operations per day 100

DC Modular Contactor Accessories

Contact Auxiliary

The auxiliary for contactor is used to indicate the status of the contactor contacts by switching ON or OFF.

Auxiliary Contacts BMC7

Spacing piece

Using spacer reduces temperature rise in proximity devices to avoid mechanical or electrical interference.

Spacing Piece
Auxiliary Contactor
Spacing Piece

DC Modular Contactor Installation

BMC7 Installation Drawing

DC Modular Contactor Installation

LETOP DC Modular Contactor Features

  • – Designed for DC voltages, ensuring compatibility with solar, battery, and telecom systems.

  • Multiple contact ratings to handle a variety of DC loads efficiently.

  • Compact and modular design for easy installation in tight spaces commonly found in DC systems.

  • Specialized arc suppression for safe operation in direct current applications.

  • Auxiliary contacts for enhanced control and monitoring capabilities.

Auxiliary Contacts

LETOP DC Modular Contactor Application

LETOP DC Modular Contactors are suitable for a range of applications that operate on direct current power:

Solar Power Systems: For controlling the flow of power from solar panels to inverters or storage systems.

Telecommunications: In base stations and other telecom infrastructure for reliable backup power control.

Battery Charging Stations: To manage the charging and discharging processes of battery systems.

Renewable Energy Storage: For efficient load control in battery storage solutions for renewable energy.

DC Motor Drives: In applications requiring precise control of DC motors, such as in automation and manufacturing.

Electric Vehicles Charging: For managing the power flow in EV charging stations.

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FAQs

In order to provide an accurate quote, we need to know your desired product model, quantity, customization options (e.g. branding, printing, packaging, etc.), and any specific technical requirements.

We are happy to provide FREE samples. You only need to provide the courier account number or pay the shipping cost to get FREE samples for testing. Please contact our sales team for more details.

Our MOQ is according to the product and customized service. Please check services. You can also consult our expert team.

Yes, we offer discounts for high volume orders. The discount rate depends on the size of the order and the complexity of the customized service. Please consult our team of experts for specific information.

Our standard delivery time is 7-10 days based on 200 pieces. Specific delivery time will vary according to your order size, degree of customization and our production plan. We will provide an estimated delivery time when quoting.

Yes, we offer custom packaging services including brand printing, custom packaging and design to meet your specific needs. For more details, please visit https://letopv.com/services/. Or contact our technical team to discuss your needs.

We offer custom development services to meet your specific needs. Please see services for more details. Please contact our technical team to discuss your requirements.

T/T payment terms. We can also provide local collection accounts. Please consult our service team for details.

We provide comprehensive after-sales services, including product consulting, technical support and warranty services. Our professional team is ready to help solve your problems.

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