ABB MS Auxiliary Contact Block - HK1 - 1SAM201901R1001
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Product Information
Full details
This ABB MS Auxiliary Contact Block (model HK1, MPN 1SAM201901R1001) is designed for professionals needing to expand the signaling capabilities of ABB MS 116 series switches and automatics. Its key benefit is providing reliable additional break (NC) and make (NO) contacts for control circuits. A potential caveat is its specific front mounting design, requiring compatibility with the target device.
All features
| Series | MS |
|---|---|
| Model Part Number | HKF1-11 |
| Brand | ABB |
Extended Product Information
FAQs
What is the primary function of the ABB MS Auxiliary Contact Block HK1?
The HK1 block adds extra signaling contacts (one normally closed and one normally open) to compatible ABB MS series devices, allowing for extended control and monitoring capabilities in electrical circuits.
What types of ABB devices is this contact block compatible with?
This block is designed for front mounting on ABB switch/automat series MS 116 devices.
What are the electrical ratings for the contacts?
The contacts are rated for 220 V dc and 230 V ac, with a contact current rating of 1 A dc and 3 A ac. It also has a rated operating current Ie at AC-15 of 1.5A.
How do I connect wires to the contact block?
Wires are connected to the screw terminals provided on the block. Refer to your circuit diagram for correct polarity and terminal assignment (NO/NC).
What is the operating temperature range?
The operating temperature range for this auxiliary contact block is -25°C to +60°C.
Can this be used with devices other than the ABB MS 116 series?
This specific model (HK1) is designed for front mounting on the MS 116 series. Using it with other devices may not be possible or may void warranties.
What does '1 break contact (NC) and 1 make contact (NO)' mean?
'NC' (Normally Closed) means the contact is closed (conducts electricity) when the main device is in its default state and opens when activated. 'NO' (Normally Open) means the contact is open (does not conduct electricity) when the main device is in its default state and closes when activated.
Troubleshooting
Auxiliary contacts not switching
Verify that the main ABB device (switch/automatic) is correctly operating and that the HK1 block is properly mounted and wired. Check terminal connections for tightness and ensure the correct NO/NC terminals are being used.
Unit does not mount correctly
Confirm that the unit is compatible with your specific ABB MS series device. Ensure no obstructions are present on the mounting surface of the main device or the auxiliary block.
Overheating or unusual noise
Immediately de-energize the circuit. Check the connected load against the rated current (1.5A AC-15, 1A DC, 3A AC). Ensure the ambient temperature is within the specified range (-25°C to +60°C). Verify proper wiring.
Pros and Cons
Pros
- Adds essential signaling capabilities (NO/NC contacts) to compatible ABB devices.
- Robust construction suitable for industrial environments.
- Clear contact ratings for AC and DC circuits.
- Easy front mounting simplifies installation.
Cons
- Specific compatibility required with ABB MS 116 series devices.
- Adds a physical component, potentially increasing enclosure depth.
- Requires careful wiring to ensure correct NO/NC function.
Setup, Compatibility & Care
Compatibility: This auxiliary contact block is designed for front mounting on ABB switch/automat series MS 116 devices. Always confirm compatibility with your specific ABB main unit before installation.
Setup:
- Ensure the main ABB device is de-energized.
- Align the HK1 auxiliary contact block with the mounting points on the front of the compatible ABB MS series device.
- Securely attach the block, ensuring it clicks into place or is fastened according to the main device's instructions.
- Connect wires to the screw terminals for the NO and NC contacts according to your control circuit diagram.
Care:
- Keep the unit clean and free from dust and debris. Use a dry or slightly damp cloth for cleaning; avoid solvents.
- Periodically check terminal connections for tightness. Ensure the operating temperature range (-25°C to +60°C) is not exceeded.