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  • Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay
  • Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay
  • Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay
  • Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay
Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay
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Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay

  • >= 100 Pieces
    $12

Customization:

Customized logo（Min.Order: 300 pieces）
Graphic customization（Min.Order: 1200 pieces）
Customized packaging（Min.Order: 1200 pieces）
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Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Bistable Operation: Auto and manual control modes enable reliable power management in electrical systems, ensuring seamless switching between automatic and manual operation.
  • 3 NO Contacts: Designed with three Normally Open (NO) contacts to control multiple circuits or devices simultaneously, ideal for complex automation setups.
  • AC/DC Compatibility: Operates on both DC and AC power sources (up to 250VAC), supporting versatile integration into various electrical systems.

Key features

  • 1. Durable Plastic Construction for Safe Electrical Systems

    • With a robust plastic body, ensure insulation and durability in harsh electrical environments, reducing the risk of short circuits or overheating.

  • 2. Manual Override Switch for Flexible Control

    • With the integrated manual override switch, you can seamlessly toggle between automatic and manual operation, enabling easy testing or maintenance without interrupting system workflows.

  • 3. High-Power Handling for Industrial Applications

    • With a 16A rated current and 24V DC compatibility, handle heavy-duty electrical loads ~30% more efficiently than standard relays*.

  • 4. Bistable Design for Energy-Efficient Operation

    • As a bistable relay, maintain power states without continuous input, reducing energy consumption and prolonging operational lifespan in automation systems.

  • 5. DIN Rail Mounting for Easy Installation

    • With DIN rail compatibility, install the compact unit quickly into electrical panels, saving space and simplifying integration into existing systems.

  • Scenario Solutions Highlight:

    • Designed for continuous operation in commercial settings, ensuring reliability in high-demand environments like industrial automation or HVAC systems.

Product details

Auto DC Step Relays Popular in Europe Market,impulse Relay 3 NO,installation Contactors Bistable Relay

The HiElek HIR-16/2C Auto DC Step Relay is a compact, DIN rail-mounted contactor designed for reliable power control in AC/DC systems. With a 16A rating at 24V DC and robust plastic construction, it offers automatic and manual operation modes, making it ideal for industrial automation, HVAC systems, and electrical panels.

Technical specifications

FeatureSpecificationBenefit
MaterialDurable plastic housingInsulation and lightweight design
Mounting TypeDIN rail compatibleEasy installation in control panels
Rated Current16A (DC) / 250VAC (AC mode)Handles high-power loads safely
Control ModesAuto (signal-triggered) + OFFFlexible operation for maintenance/testing
Electrical TypeAC/DC compatibleVersatile for mixed system applications

Customization guide

Adjustable input signal thresholds and control interface options (e.g., relay/microcontroller triggers) can be customized to meet specific automation requirements.

Get inspired

With its bistable relay design and dual control modes, the HIR-16/2C ensures seamless power management in industrial settings. For example, its auto mode enables continuous HVAC system operation, while the manual OFF position simplifies troubleshooting.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Current Capacity16A (DC)20A (DC)25A (DC)
Voltage Support24V DC / 250VAC24-48V DC / 250VAC24-240V DC/AC
CertificationsIEC 60947-4IEC 60947-4 + ULIEC 60947-4 + UL + CE
Response Time50ms40ms30ms*

Supplier's note

  1. Key Technical Breakthroughs:

    • Bistable Relay Design: Enables energy-efficient latching without continuous power, reducing operational costs.
    • DIN Rail Mounting: Simplifies retrofitting into existing control systems.
    • AC/DC Compatibility: Expands application scope for hybrid systems.

  2. Version Selection Guide:

    • Base Model: Ideal for standard industrial automation (e.g., HVAC) requiring 16A DC.
    • Advanced Model: Suitable for high-current applications (e.g., robotics) with expanded voltage range.
    • Pro Model: Best for extreme environments (e.g., mining) needing triple-certified durability and faster response times.

With the Pro’s 30ms response time (20% faster than industry benchmarks), you can ensure real-time control in critical systems. Pair its broad voltage support with its CE certification to meet global safety standards effortlessly.

Frequently asked questions

  • Which contactor model is best suited for small European offices using DC systems?

  • How do I maintain the terminals of a HiElek HIR-16/2C bistable relay?

  • Plastic vs. Metal Housing: Which is better for industrial contactors?

  • Can the HiElek HIR-16/2C support custom control signals for automation?

  • Is the HiElek HIR-16/2C certified for high-current applications?

  • What’s the difference between auto and OFF modes on the HIR-16/2C?

  • Can this relay handle 24V DC impulses in harsh environments?

  • How easy is it to install the HiElek HIR-16/2C on DIN rails?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage CompatibilityIndustrial Automation, HVACSupports AC/DC operation (up to 24V DC/250V AC)
(IEC 60947-4-1 compliant)		▲ Flexible for mixed power systems
(Industry Standard: DC-only systems)		Requires voltage conversion in setups without dual-power infrastructure
Mounting TypeControl Cabinets, Panel InstallationsDIN rail mounting
(EN 50022 compliant) ▲
(Industry Standard: Custom brackets)		▲ Easy installation and space efficiency
(Saves 30% panel space vs brackets)		Relies on existing DIN rail infrastructure
Control ModesMaintenance, Automated SystemsDual control modes (auto/manual)
▲▲ Industry Standard: Auto-only		▲▲ Enhanced safety and operational flexibility
(Manual override for troubleshooting)		Requires user training for manual operation
Rated CurrentHigh-Load Applications (Motors)16A rated current
(IEC 60947-4-1 compliant) ▲
(Industry Standard: 10A)		▲ Handles heavy-duty loads
(Supports 60% higher current than baseline)		Not optimized for low-current systems
Compliance StandardsInternational ProjectsMeets IEC 60947-4-1 & EN 50022
▲▲ Industry Standard: IEC 60947-4-1 only		▲▲ Ensures global compatibility and safety
(EN 50022 adds fire resistance)		Certification costs may increase pricing
Material ConstructionHarsh EnvironmentsDurable plastic housing
(ASTM D543: withstands 50+ chemical exposures) ▲		▲ Resistant to chemicals/corrosion
(Outperforms metal in chemical labs)		Limited thermal resistance compared to metal enclosures

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