BCH8-25 2P Modular Contactor
- High Durability & Reliability：Certified for 100,000+ electrical operations and 1,000,000 mechanical cycles, designed for long-term performance in residential and commercial applications.
- Silent & Energy-Efficient Design：Noiseless operation eliminates hum, with an optimized electromagnetic system reducing holding power consumption for low-energy contactor solutions.
- Compact DIN Rail Installation：Space-saving modular contactor (from 18mm width) fits 35mm DIN rails, ideal for panel builders and tight spaces in smart home or commercial systems.
- Versatile Load Control：Supports 16A to 100A AC-7A/AC-7B ratings for lighting, motors (up to 7.5kW), heating (up to 26kW), and LED systems, with IEC/EN61095 compliance.
- Flexible Configuration Options：Available in 1P, 2P, 3P, 4P pole configurations and manual override models (M-suffix) for testing, emergency use, or smart automation integration.
- Global Safety Standards：IEC60947-4-1 certified with IP20/IP40 protection, ensuring safe operation in diverse environments (voltage: 24V–240V AC, temperature: -5°C to 60°C).
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- Email:sales@viox.com
Key Features and Benefits
- High Electrical Life: Tested to withstand 100,000 operations under AC-a load utilization category
- Noiseless Operation: Eliminates impact sound and low-frequency hum noise during operation
- Energy Saving: Optimized electromagnetic system reduces holding power consumption
- Kompaktiškas dizainas: Smaller width than traditional AC contactors, saving installation space
- Auxiliary Function: Can be extended with auxiliary contacts for signal feedback in intelligent control environments
Paraiškos
The BCH8 modular contactor is suitable for AC 50Hz (or 60Hz) systems with rated working voltage up to 400V and rated current up to 100A. It can control both residential and commercial applications including:
- Lighting systems
- Heating systems
- Ventilation equipment
- Pumps
- Low-inductance and resistive loads
- Household motor loads (with appropriate power reduction)
Designed according to standards IEC/EN61095 and IEC60947-4-1, these contactors are easily integrated into dedicated panels as part of a complete range of Din rail products.
Product Models and Technical Specifications
1-Pole Contactors (1 Module)
| Modelis | Ie Rating AC-7a | Ie Rating AC-7b | Coil Voltage (VAC) |
|---|---|---|---|
| BCH8-16/10 | 16A | 6A | 24V/110V/240V |
| BCH8-20/10 | 20A | 7A | 24V/110V/240V |
| BCH8-25/10 | 25A | 9A | 24V/110V/240V |
| BCH8-16/01 | 16A | 6A | 24V/110V/240V |
| BCH8-20/01 | 20A | 7A | 24V/110V/240V |
| BCH8-25/01 | 25A | 9A | 24V/110V/240V |
2-Pole Contactors (1-2 Modules)
| Modelis | Ie Rating AC-7a | Ie Rating AC-7b | Coil Voltage (VAC) | Modules |
|---|---|---|---|---|
| BCH8-16/20 | 16A | 6A | 24V/110V/240V | 1 |
| BCH8-20/20 | 20A | 7A | 24V/110V/240V | 1 |
| BCH8-25/20 | 25A | 9A | 24V/110V/240V | 1 |
| BCH8-32/20 | 32A | 12A | 24V/110V/240V | 2 |
| BCH8-40/20 | 40A | 18A | 24V/110V/240V | 2 |
| BCH8-63/20 | 63A | 25A | 24V/110V/240V | 2 |
| BCH8-100/20 | 100A | – | 24V/110V/240V | 3 |
3-Pole Contactors (2-3 Modules)
| Modelis | Ie Rating AC-7a | Ie Rating AC-7b | Coil Voltage (VAC) | Modules |
|---|---|---|---|---|
| BCH8-16/30 | 16A | 6A | 24V/110V/240V | 2 |
| BCH8-20/30 | 20A | 7A | 24V/110V/240V | 2 |
| BCH8-25/30 | 25A | 9A | 24V/110V/240V | 2 |
| BCH8-32/30 | 32A | 12A | 24V/110V/240V | 3 |
| BCH8-40/30 | 40A | 18A | 24V/110V/240V | 3 |
| BCH8-63/30 | 63A | 25A | 24V/110V/240V | 3 |
4-Pole Contactors (2-6 Modules)
| Modelis | Ie Rating AC-7a | Ie Rating AC-7b | Coil Voltage (VAC) | Modules |
|---|---|---|---|---|
| BCH8-16/40 | 16A | 6A | 24V/110V/240V | 2 |
| BCH8-20/40 | 20A | 7A | 24V/110V/240V | 2 |
| BCH8-25/40 | 25A | 9A | 24V/110V/240V | 2 |
| BCH8-32/40 | 32A | 12A | 24V/110V/240V | 3 |
| BCH8-40/40 | 40A | 18A | 24V/110V/240V | 3 |
| BCH8-63/40 | 63A | 25A | 24V/110V/240V | 3 |
| BCH8-100/40 | 100A | – | 24V/110V/240V | 6 |
Manual Operation Models
BCH8 contactors are also available with manual operation functionality (models with “M” suffix). These versions allow for manual control with the following positions:
- O – Off position
- Auto – Automatic operation
- I – On position
- I+P – On with pilot
Manual operation models automatically return to “auto” position after manual override.
Techninės specifikacijos
Power Consumption
| Stulpai | Rating | Coil Voltage | Pull-in Power | Hold-on Power |
|---|---|---|---|---|
| 1P | 16-25A | 230V | 11.5VA | 1.2W |
| 2P | 16-25A | 230V | 11.5VA | 1.2W |
| 2P | 32-63A | 230V | 31.05VA | 1.6W |
| 2P | 100A | 230V | 106VA | 4.2W |
| 3P | 16-25A | 230V | 31.05VA | 1.6W |
| 3P | 32-63A | 230V | 48.3VA | 2.1W |
| 4P | 16-25A | 230V | 31.05VA | 1.6W |
| 4P | 32-63A | 230V | 48.3VA | 2.1W |
Main Parameters
| Parametras | Specifikacija |
|---|---|
| Rated impulse withstand voltage (Uimp) | 2.5kV (4kV for 12/24/48VAC) |
| Pollution degree | 2 |
| Insulation voltage (Ui) | 500V AC |
| Dažnis | 50/60Hz |
| Darbinė temperatūra | Nuo -5 °C iki +60 °C |
| Storage temperature | -40°C to +70°C |
| Tropicalization (IEC 60068.1) | Treatment 2 (relative humidity 95% at 55°C) |
| Degree of protection (IEC 60529) | IP20 (device only), IP40 (device in modular enclosure) |
| Max. number of switching operations per day | 100 |
| Electrical endurance (O-C) | 100 000 ciklų |
| Mechanical endurance (O-C) | 1,000,000 cycles |
| Mounting position | ±30° vertical, clip on DIN rail 35mm |
Priedai
Auxiliary Contacts
Model BCH8-AUC11 and BCH8-AUC20 (240V) provide auxiliary contact functionality for indicating contactor status (ON or OFF).
Spacing Piece
Spacers are recommended to reduce temperature rise when devices are mounted side by side, especially when separating electronic equipment from electromechanical equipment.
Load Selection Guide
The BCH8 modular contactor is suitable for various applications including:
- Lighting control (incandescent, halogen, fluorescent, LED, mercury vapor, sodium vapor)
- Heating systems (up to 26kW at 400V for 40A models)
- Motor applications (up to 7.5kW for three-phase motors at 400V)
For detailed load selection information, please contact our technical support team.
Dimensions and Installation
The BCH8 contactor features a compact design with widths starting at just 18mm for 16/20/25A models. It can be easily mounted on 35mm DIN rails with installation orientation of ±30° vertical.
Product Dimensions (mm)
- BCH8 16/20/25A: 18mm width, 68mm height, 49mm depth
- BCH8 32/40/63A: 36mm width, 68mm height, 49mm depth
- BCH8 100A: 54mm width, 68mm height, 49mm depth
Connection terminal types:
- Control circuit: PZ1:4mm
- Power circuit (16-25A): PZ1:4mm
- Power circuit (40-63A): PZ2:6mm
Why Choose VIOX BCH8 Modular Contactors?
- Reliability: Tested for 100,000 electrical operations and 1,000,000 mechanical operations
- Energy Efficiency: Optimized electromagnetic system significantly reduces power consumption
- Silent Operation: Ideal for commercial and residential environments where noise is a concern
- Space-Saving Design: Compact width saves valuable DIN rail space
- Versatility: Wide range of models with various pole configurations and current ratings
- Lengvas montavimas: Standard DIN rail mounting with clearly marked terminals
- Atitiktis: Manufactured according to IEC/EN61095 and IEC60947-4-1 standards
FAQs About BCH8 Modular Contactors
What is the difference between AC-7a and AC-7b ratings?
AC-7a refers to resistive loads (such as heating), while AC-7b refers to motor loads. The BCH8 contactor is rated for both applications, with different current ratings depending on the application type.
Can the BCH8 contactor be used for LED lighting?
Yes, the BCH8 contactor is suitable for controlling LED lighting systems. For a 25A model, up to 36 LED lamps of 75W can be controlled.
What is the advantage of the manual operation version?
The manual operation version (M suffix) allows for direct control of the contactor without power to the coil, which is useful for testing or emergency operation.
Is the BCH8 contactor suitable for residential applications?
Yes, the BCH8 contactor is designed according to IEC/EN61095 standard for residential applications and similar purposes.
