Description

Product Overview

The ABB HK1-11 is a general-purpose relay module with a standardized,modular design.It is widely used in industrial automation,PLC peripheral circuits,motor control centers(MCCs),and various electrical control systems.This relay primarily provides electrical isolation,signal conversion,contact expansion,and load driving,serving as a key interface component between low-voltage control signals and high-power loads.

The HK1-11 features a compact,plug-in design and is typically used with the dedicated HKL-1 or HKL-1Z base,facilitating installation,replacement,and maintenance.The internal relay coil operates at 24VDC(AC versions are also available,such as the HK1-11/230VAC).The contacts are configured with one normally open(NO)and one normally closed(NC)contact.With a rated switching current of 5A 250VAC,it is suitable for driving contactor coils,indicator lights,small solenoid valves,or other control circuits.

This relay complies with multiple international safety and electromagnetic compatibility standards and offers high insulation strength,low power consumption,long life,and strong anti-interference capabilities.Due to its standardized size and interfaces,the HK1-11 is widely used in ABB automation systems,third-party control cabinets,and equipment upgrade and retrofit projects as a reliable and flexible signal processing solution.

Technical Data

Parameters Specifications

Model ABB HK1-11

Manufacturer ABB

Product Type Modular plug-in relay

Coil voltage 24 VDC(standard)<br>(AC 110V,230V,etc.versions also available)

Coil power consumption Approximately 0.7 W

Contact configuration 1 NO+1 NC(single-pole,double-throw SPDT)

Contact rating 5 A 250 VAC<br>5 A 30 VDC

Maximum switching power 1250 VA(AC)/150 W(DC)

Electrical life≥100,000 cycles(resistive load)

Mechanical life≥10,000,000 cycles

Dielectric strength 4 kV AC(1 minute)between input and output

Operating temperature-25°C to+55°C

Storage temperature-40°C to+85°C

Protection rating IP20(module body)

Mounting method DIN rail mounting(TH35),with HKL-1 Base

Certifications:CE,UL,cUL,RoHS

Key Features and Benefits

Modular Design:Plug-in design facilitates quick replacement and maintenance,reducing downtime.

Electrical Isolation:Provides high insulation between the control side(coil)and the load side(contacts),enhancing system safety.

Signal Expansion and Distribution:A single input signal can drive multiple loads,solving the problem of insufficient PLC output points.

Strong Anti-Interference Capability:Effectively isolates electromagnetic noise,improving control system stability.

Wide Voltage Compatibility:The 24VDC coil version is highly tolerant to power supply fluctuations,making it suitable for industrial environments.

High Reliability:Backed by the ABB brand,the long-life design is suitable for continuous operation.

Standardized Dimensions:Compatible with the HKL series bases,allowing easy integration into standard control cabinets.

Versatile:Suitable for a variety of applications,including interlocking,alarming,status indication,and motor start/stop control.

Applications:The ABB HK1-11 is widely used in the following industrial scenarios:

PLC Control Systems:Serves as an intermediate relay for PLC digital outputs,driving high-current loads.Motor Control Center(MCC):Used for signal transmission and isolation in start/stop control loops.

Building Automation System(BAS):Controls the start/stop and status feedback of equipment such as fans,pumps,and valves.

Process Automation:Provides signal conversion and alarm output in DCS or SCADA systems.

Energy and Power Systems:Used for status indication and protection logic in substations and distribution boards.

Machinery and OEM Equipment:Integrated into control cabinets for equipment such as packaging machines,printing presses,and injection molding machines.

Retrofit and Upgrade Projects:Replaces legacy relays to improve system reliability and maintainability.

Related Products

HKL-1:Standard plug-in base for the HK1-11,with a test button and status indicator.

HKL-1Z:Base version with a diode or RC suppression circuit for coil back EMF suppression.

HK1-21:Dual-channel relay module(2NO)for increased contact requirements.

HK1-41:Four-channel relay module with high-density signal processing.

ABB HKC-2:Relay test connector for fault diagnosis.ABB RVM Series:Industrial relays with higher load capacity.Phoenix Contact EMR Series/Siemens 3RT Relays:Competitive products with similar functionality.

Installation and Maintenance

Pre-installation Preparation:

Confirm that the coil voltage matches the control system power supply(e.g.,24VDC).

Use an appropriate base(HKL-1)and ensure the terminals are securely fastened.

It is recommended to install an anti-parallel diode or a base with suppression function on the coil side to prevent induced voltage from damaging the PLC output.

Use wire with sufficient cross-sectional area for contact wiring to avoid overheating.

Maintenance Recommendations:

Regularly check that the relay is securely inserted into the base.

Observe that the operating indicator(if present)flashes normally.

Inspect the contacts for erosion or carbonization,and replace the relay module if necessary.

In environments with high dust or humidity,pay attention to the enclosure protection rating(IP65 enclosure is optional).

Product Warranty

The ABB HK1-11 is a genuine product that meets ABB’s stringent quality control standards.We offer a 12-month warranty covering defects in materials and workmanship.Under normal operating conditions,this relay offers excellent stability and long life.Our technical support team provides guidance on selection,wiring,and troubleshooting to ensure the safe and efficient operation of your system.Choosing the ABB HK1-11 means choosing reliability and trust in the industrial control industry.

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