1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the ABB B6-30-01-01 Compact 3-Pole Contactor. The B6-30-01-01 is a compact 3-pole contactor featuring one auxiliary contact and screw terminals, designed for reliable performance in applications where space is limited. It is suitable for controlling single or three-phase loads in residential, commercial, and industrial environments.
2. Safety Information
WARNING: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Disconnect all power before working on the contactor or connected equipment.
- Always follow local and national electrical codes and regulations.
- Ensure proper grounding of all equipment.
- Verify that the voltage and current ratings of the contactor match the application requirements.
- Do not operate the contactor if it is damaged.
3. Product Overview
The ABB B6-30-01-01 mini contactor is engineered for controlling various electrical loads. Key features include:
- Compact Design: Optimized for installations with limited space.
- 3-Pole Configuration: For switching three-phase loads.
- 1 Auxiliary Contact: One normally open (NO) auxiliary contact for control circuit applications.
- Screw Terminals: Secure and reliable electrical connections.
- Silent Coil: Ensures quiet operation.
- Switch Position Indication: Visual indication of the contactor's state.
- Mounting Options: Integrated possibility for DIN rail or wall mounting.
Figure 1: ABB B6-30-01-01 Compact Contactor. This image displays the grey and black casing of the contactor, clearly showing the screw terminals labeled 1L1, 3L2, 5L3 (inputs), 2T1, 4T2, 6T3 (outputs), A1, A2 (coil connections), and 13NO, 14NO (auxiliary contact). The ABB logo and a QR code are also visible on the unit.
4. Specifications
| Model Number | B6-30-01-01 (Manufacturer's Part Number: GJL1211001R0011) |
| Brand | ABB |
| Number of Poles | 3 |
| Auxiliary Contacts | 1 Normally Open (NO) |
| Terminal Type | Screw Terminals |
| Rated Operational Power (AC-3) | Up to 4 kW |
| Rated Operational Current (AC-1) | 20 A / 690 V |
| Dimensions (Approximate) | 2.16 x 2.16 x 1.96 inches (54.86 x 54.86 x 49.78 mm) |
| Weight (Approximate) | 4 ounces (113 grams) |
| Mounting | DIN Rail or Wall Mounting |
5. Installation
Before beginning installation, ensure all power to the circuit is disconnected. The B6-30-01-01 contactor can be mounted on a standard DIN rail or directly to a panel using screws.
5.1. Mounting
- DIN Rail Mounting: Align the contactor's integrated clips with the DIN rail and press firmly until it clicks into place.
- Wall Mounting: Use appropriate screws and anchors (not supplied) to secure the contactor through the designated mounting holes on the base. Ensure the mounting surface is stable and capable of supporting the contactor's weight and any connected wiring.
5.2. Environmental Considerations
Install the contactor in a clean, dry environment, free from excessive dust, moisture, corrosive gases, and extreme temperatures. Ensure adequate ventilation to prevent overheating.
6. Wiring
Refer to the wiring diagram provided with your specific application and ensure all connections are secure. Use appropriate wire gauges for the expected current load.
6.1. Power Circuit Connections
- Input Terminals: Connect the incoming power lines to terminals 1L1, 3L2, and 5L3.
- Output Terminals: Connect the load to terminals 2T1, 4T2, and 6T3.
6.2. Control Circuit Connections
- Coil Terminals: Connect the control voltage to terminals A1 and A2. Ensure the control voltage matches the coil voltage rating of the contactor.
- Auxiliary Contact: The normally open (NO) auxiliary contact is connected to terminals 13NO and 14NO. This contact closes when the main coil is energized.
Tighten all screw terminals to the manufacturer's specified torque to ensure reliable electrical contact and prevent loose connections.
7. Operation
The ABB B6-30-01-01 contactor operates by energizing its coil. When the appropriate control voltage is applied to terminals A1 and A2, the coil creates a magnetic field, pulling the main contacts closed and connecting the power circuit from 1L1/3L2/5L3 to 2T1/4T2/6T3. Simultaneously, the auxiliary contact (13NO-14NO) will close.
- Energizing the Coil: Applying the rated control voltage to A1 and A2 will close the main and auxiliary contacts.
- De-energizing the Coil: Removing the control voltage from A1 and A2 will cause the coil to de-energize, opening the main and auxiliary contacts.
- Switch Position Indication: A visual indicator on the contactor provides feedback on the current state of the main contacts (e.g., '0' for open, 'I' for closed, or a similar marking).
8. Maintenance
Regular maintenance helps ensure the longevity and reliable operation of the contactor. Always disconnect power before performing any maintenance.
- Visual Inspection: Periodically inspect the contactor for any signs of damage, discoloration, loose connections, or excessive dust accumulation.
- Cleaning: Use a dry, soft cloth or compressed air to remove dust and debris from the contactor's exterior. Do not use solvents or abrasive cleaners.
- Terminal Tightness: Check and re-tighten all screw terminals as necessary to prevent overheating due to loose connections.
- Contact Wear: While internal contacts are generally not user-serviceable, excessive arcing or contact welding may indicate a need for replacement.
9. Troubleshooting
If the contactor is not functioning as expected, consider the following common issues:
- Contactor Does Not Energize:
- Check if the control voltage is present at terminals A1 and A2.
- Verify the control voltage matches the coil's rated voltage.
- Inspect control circuit wiring for loose connections or breaks.
- Contactor Energizes But Load Does Not Receive Power:
- Ensure main power is supplied to 1L1, 3L2, 5L3.
- Check connections to the load at 2T1, 4T2, 6T3.
- Verify the contactor's switch position indicator shows 'closed'.
- Overheating:
- Check for loose terminal connections.
- Ensure the load current does not exceed the contactor's ratings.
- Verify adequate ventilation around the contactor.
If issues persist after troubleshooting, contact qualified electrical personnel or ABB technical support.
10. Warranty Information
Specific warranty terms and conditions for the ABB B6-30-01-01 contactor are provided by ABB at the time of purchase. Please refer to the documentation included with your product or visit the official ABB website for detailed warranty information. Keep your proof of purchase for warranty claims.
11. Technical Support
For technical assistance, product inquiries, or service, please contact ABB customer support. Contact information can typically be found on the official ABB website or through your local ABB distributor.
ABB Official Website: www.abb.com
