BMC7-32 2P modulinis kontaktorius
The BMC7-32 2P Modular Contactor is a high-performance, 32A 2-pole device designed for precise control of lighting, heating, and ventilation systems. With configurations like 2NO, 1NO1NC, or 2NC, and coil voltages from 12V to 230V AC/DC, it ensures reliable operation in residential and commercial applications. Its DIN rail compatibility and compact design make it ideal for seamless integration into electrical panels.
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Introduction to the BMC7 Modular Contactor Series
The BMC7 modular contactor series represents a versatile solution for electrical control applications, designed to meet the demands of modern building automation systems and electrical installations. These contactors offer reliable performance in switching and controlling various electrical loads, including lighting systems, heating equipment, ventilation units, and pumps in residential and commercial buildings.
Manufactured in accordance with international standards IEC/EN61095 and IEC60947-4-1, the BMC7 modular contactors are specifically engineered for integration into Din rail systems, making them an ideal choice for installation in dedicated electrical panels. Their modular design ensures easy installation and seamless integration with other Din rail products, providing a comprehensive solution for electrical control requirements.
Key Applications and Capabilities
The BMC7 modular contactors excel in applications requiring precise control of both resistive and inductive loads. They are primarily designed for:
- Lighting Control Systems: Efficient management of lighting circuits in residential and commercial buildings
- Heating Systems: Reliable control of heating elements and electric heaters
- Ventilation Equipment: Precise operation of ventilation fans and air handling units
- Pump Control: Dependable switching for water pumps and circulation systems
- Household Appliances: Safe operation of various household electrical devices
These contactors are specifically designed for AC 50Hz (or 60Hz) applications with rated working voltages up to 400V and rated currents up to 63A. The BMC7 series is particularly effective for controlling low-inductance loads in household appliances and similar applications, while also being capable of controlling household motor loads with appropriate power reduction.
Technical Specifications and Performance Parameters
Power Circuit Specifications
The BMC7 modular contactors feature robust electrical characteristics that ensure reliable performance in various applications:
- Rated Voltage (Ue):
- 1P, 2P models: 250V AC
- 3P, 4P models: 400V AC
- Dažnis: 50/60Hz
- Insulation Voltage (Ui): 500V AC
- Rated Impulse Withstand Voltage (Uimp): 2.5kV (4kV for 12/24/48VAC versions)
- Pollution Degree: 2
- Tropicalization: Treatment 2 (relative humidity 95% at 55°C)
- ELSV Compliance: Extra Low Safety Voltage for 12/24/48VAC versions
Operational Parameters
The BMC7 contactors are designed for reliable long-term operation:
- Elektrinė ištvermė: 100,000 cycles
- Mechanical Endurance: 1,000,000 cycles
- Maximum Switching Operations: 100 operations per day
- Operating Temperature Range: -5°C to +60°C
- Storage Temperature Range: -40°C to +70°C
- Apsaugos laipsnis:
- Device only: IP20
- Device in modular enclosure: IP40
- Mounting Position: ±30° vertical, clip-on DIN rail 35mm
BMC7 Series Model Range
The BMC7 series offers a comprehensive range of models with varying configurations to suit different application requirements. The model designation follows a logical pattern (e.g., BMC7-25/20 230V indicates a 25A contactor with 2NO contacts and 230V AC coil voltage).
1-Pole Configurations (1P, 1 module)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-16/10 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/10 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/10 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/10 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/01 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/01 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/01 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/01 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
1-Pole Configurations (1P, 2 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-40/10 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/10 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/01 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/01 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
2-Pole Configurations (2P, 1 module)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-16/20 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/20 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/20 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/20 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/11 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/11 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/11 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/11 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/02 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/02 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/02 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/02 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
2-Pole Configurations (2P, 2 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-40/20 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/20 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/11 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/11 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/02 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/02 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
3-Pole Configurations (3P, 2 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-16/30 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/30 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/30 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/30 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/03 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/03 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/03 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/03 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
3-Pole Configurations (3P, 3 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-40/30 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/30 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/03 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/03 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
4-Pole Configurations (4P, 2 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-16/40 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/40 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/40 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/40 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/04 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/04 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/04 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/04 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/22 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/22 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/22 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/22 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-16/31 | 16A | 6A | 16A | 7A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-20/31 | 20A | 7A | 20A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-25/31 | 25A | 9A | 25A | 9A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-32/31 | 32A | 12A | 32A | 12A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
4-Pole Configurations (4P, 3 modules)
| Modelis | Ie Rating AC-1 | Ie Rating AC-3 | Ie Rating AC-7a | Ie Rating AC-7b | Available Coil Voltages |
|---|---|---|---|---|---|
| BMC7-40/40 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/40 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/04 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/04 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/22 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/22 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-40/31 | 40A | 18A | 40A | 18A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
| BMC7-63/31 | 63A | 25A | 63A | 25A | 12V, 24V AC/DC, 48V AC/DC, 110V AC/DC, 230V AC/DC |
Understanding BMC7 Model Designations
The BMC7 series follows a systematic naming convention that makes it easy to identify the specific characteristics of each model:
BMC7-XX/YZ [Voltage]
- BMC7: Base series designation
- XX: Current rating (16A, 20A, 25A, 32A, 40A, or 63A)
- Y: Number of normally open contacts (0-4)
- Z: Number of normally closed contacts (0-4)
- [Voltage]: Coil voltage (12V, 24V, 48V, 110V, or 230V AC/DC)
For example, BMC7-25/20 230V indicates a 25A contactor with 2 normally open contacts (2NO) and 0 normally closed contacts, with a 230V AC coil voltage.
Power Consumption Specifications
The BMC7 contactors are designed for energy efficiency, with specific power consumption characteristics based on the model and rating:
| Stulpai | Ie Rating (A) | Uc (VAC) (50Hz) | Hold On Power (W) | Pull In Power (VA) | Max Power |
|---|---|---|---|---|---|
| 1P | 16 | 230 | 2.0W | 2.1VA | 6.0VA |
| 1P | 20 | 230 | 2.0W | 2.1VA | 6.0VA |
| 1P | 25 | 230 | 2.0W | 2.1VA | 6.0VA |
| 1P | 32 | 230 | 2.0W | 2.1VA | 6.0VA |
| 1P | 40 | 230 | 2.0W | 2.3VA | 6.0VA |
| 1P | 63 | 230 | 2.0W | 2.3VA | 6.0VA |
| 2P | 16 | 230 | 2.0W | 2.1VA | 6.0VA |
| 2P | 20 | 230 | 2.0W | 2.1VA | 6.0VA |
| 2P | 25 | 230 | 2.0W | 2.1VA | 6.0VA |
| 2P | 32 | 230 | 2.0W | 2.1VA | 6.0VA |
| 2P | 40 | 230 | 2.0W | 2.3VA | 6.0VA |
| 2P | 63 | 230 | 2.0W | 2.3VA | 6.0VA |
| 3P | 16 | 230 | 2.0W | 2.3VA | 6.0VA |
| 3P | 20 | 230 | 2.0W | 2.3VA | 6.0VA |
| 3P | 25 | 230 | 2.0W | 2.3VA | 6.0VA |
| 3P | 32 | 230 | 2.0W | 2.3VA | 6.0VA |
| 3P | 40 | 230 | 5.5W | 2.3VA | 6.0VA |
| 3P | 63 | 230 | 5.5W | 2.3VA | 6.0VA |
| 4P | 16 | 230 | 2.0W | 2.1VA | 6.0VA |
| 4P | 20 | 230 | 2.0W | 2.1VA | 6.0VA |
| 4P | 25 | 230 | 2.0W | 2.1VA | 6.0VA |
| 4P | 32 | 230 | 2.0W | 2.1VA | 6.0VA |
| 4P | 40 | 230 | 5.5W | 2.3VA | 6.0VA |
| 4P | 63 | 230 | 5.5W | 2.3VA | 6.0VA |
Installation and Connection Details
The BMC7 contactors are designed for easy installation and connection:
Mounting Options
- Clip-on mounting on 35mm DIN rail
- Vertical mounting position (±30°)
- When mounting in enclosures with interior temperatures between 50°C and 60°C, spacing pieces are recommended between contactors
Connection Parameters
| Tipas | Rating | Length | Tripping Circuit | Tightening Torque | Copper Cables (Rigid) | Flexible or Ferrule |
|---|---|---|---|---|---|---|
| BMC7 | 16-63A | 9mm | – | 0.8N.m | 1.5-6mm² | 1.5-2.5mm² |
| BMC7 | 16-32A | 9mm | PZ1:4mm | 0.8N.m | 2×1.5mm² | 2×1.5mm² |
| BMC7 | 40A-63A | 14mm | PZ2:6mm | 3.5N.m | 6-25mm² | 6-16mm² |
| BMC7 | 16-63A | 9mm | PZ1:4mm | 0.8N.m | 1-4mm² | 1.5-2.5mm² |
| BMC7 | 16-63A | – | – | – | 2×2.5mm² | 2×2.5mm² |
Auxiliary Contacts
The BMC7 series also offers auxiliary contact options for status indication:
| Modelis | Circuit | Vardinė srovė | AC-12 (240V) | AC-15 (230V) | DC-13 (130V DC) |
|---|---|---|---|---|---|
| BMC7-AUC11 | 1NO+1NC | 5A | 5A | 2A | 1A |
| BMC7-AUC20 | 2NO | 5A | 5A | 2A | 1A |
BMC-7 Dimension
Accessories and Additional Components
To enhance installation flexibility and functionality, the BMC7 series offers several accessories:
Spacing Pieces
- 3mm Spacing Piece: For reducing temperature rise when mounting devices side by side
- 9mm Spacing Piece: Recommended for separating electronic equipment from electromechanical equipment
Product Dimensions
The BMC7 contactors are designed with compact dimensions to maximize space efficiency in electrical panels:
- BMC7-16/20/25/32 (1P/2P): 36±0.4mm width, 85.5±0.5mm height, 68±0.4mm depth
- BMC7-16/20/25/32 (3P/4P): 54±0.8mm width, 85.5±0.5mm height, 68±0.4mm depth
- BMC7-40/63 (1P/2P): 36±0.4mm width, 90±0.5mm height, 68±0.4mm depth
- BMC7-40/63 (3P/4P): 54±0.8mm width, 90±0.5mm height, 68±0.4mm depth
Understanding Load Classifications
The BMC7 contactors are rated for various load types according to international standards:
- AC-1: Non-inductive or slightly inductive loads (resistance heating)
- AC-3: Squirrel-cage motors: starting, switching off during running
- AC-7a: Slightly inductive loads in household appliances
- AC-7b: Motor loads for household applications
Installation Guidelines and Best Practices
For optimal performance and longevity of the BMC7 contactors, consider the following installation guidelines:
- Temperature Management:
- Use spacing pieces between contactors when mounting in enclosures with high internal temperatures
- Maintain proper ventilation in the electrical panel
- Mounting Position:
- Ensure vertical mounting within the ±30° tolerance
- Secure firmly on 35mm DIN rail
- Wiring Recommendations:
- Use copper conductors of the specified cross-sectional area
- Apply the correct tightening torque to ensure proper connections
- Separate control wiring from power wiring when possible
- Load Protection:
- Implement appropriate overload protection for the controlled loads
- Consider the specific load type (AC-1, AC-3, AC-7a, AC-7b) when selecting the contactor rating
- Coil Voltage Selection:
- Choose the appropriate coil voltage based on the control circuit requirements
- Ensure stable control voltage supply to prevent contactor chatter
Išvada
The BMC7 modular contactor series offers a comprehensive solution for various electrical control applications in residential and commercial buildings. With its wide range of models, current ratings, and pole configurations, the BMC7 series provides flexibility and reliability for diverse switching requirements.
Engineered to international standards and featuring robust electrical characteristics, these contactors ensure long-term performance in controlling lighting, heating, ventilation, and pump loads. Their compact design, Din rail compatibility, and easy integration with other modular devices make them an ideal choice for modern electrical installations.
The complete BMC7 range, from the compact 16A models to the powerful 63A versions, delivers consistent performance across
