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Motor Control Relays
-- Steady & Reliable Manufacturer --
Introduction
Motor control relays are critical components in industrial motor starters and controllers, designed to handle the high inrush currents and inductive loads associated with motor starting and stopping. These relays provide reliable switching for single-phase and three-phase motors in applications ranging from HVAC systems to industrial pumping and material handling equipment. Huajin Technology manufactures motor control relays with magnetic latching technology, offering low power consumption and long service life in demanding industrial environments.
Specifications
| Parameter | Specification |
|---|---|
| Contact Current Rating | 10A – 80A |
| Inrush Current Capability | Up to 10x rated current |
| Coil Voltage Options | 12V, 24V, 48V, 110V, 220V DC |
| Contact Form | 1A, 1C, 2A, 3A |
| Initial Contact Resistance | ≤ 30 mΩ |
| Electrical Life (Inductive Load) | ≥ 8,000 operations |
| Mechanical Life | ≥ 50,000 operations |
| Dielectric Strength (Coil to Contact) | ≥ 4000 VAC / 1 minute |
| Operating Temperature | -25°C to +70°C |
| Safety Approvals | CCC, TUV, CE |
Applications
- Industrial motor starters and controllers
- HVAC compressor and fan control
- Pumping systems and material handling
- Conveyor belt control systems
- Machine tool and manufacturing equipment
Advantages
- High inrush current handling capability
- Magnetic latching reduces coil power consumption
- Arc suppression for inductive load switching
- Robust construction for industrial environments
- Multiple contact configurations available
Frequently Asked Questions
What makes motor control relays different from standard relays?
Motor control relays are specifically designed to handle the high inrush currents and inductive kickback associated with motor starting. They feature specialized contact materials, larger contact gaps, and arc suppression mechanisms that enable reliable switching of motor loads without contact welding or premature failure.
Can motor control relays handle three-phase motors?
Yes. We offer motor control relays in 3A and 3C configurations specifically designed for three-phase motor applications. These relays provide simultaneous switching of all three phases, ensuring balanced motor starting and operation. For larger motors, multiple relays can be used in parallel configurations.
What is the typical inrush current capability?
Our motor control relays are designed to handle inrush currents up to 10 times the rated continuous current. For example, a 20A rated relay can handle peak inrush currents up to 200A during motor starting. This capability ensures reliable switching even under the most demanding starting conditions.
Are these relays suitable for frequent motor starting applications?
Yes. Our motor control relays are rated for up to 8,000 electrical operations under inductive load conditions, making them suitable for applications requiring frequent motor starting and stopping. For even higher duty cycles, we can provide customized solutions with enhanced contact materials and extended electrical life.
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Established in May 2021
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Annual exports account for about 30%
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The company occupies an area of 8,000 square meters.
Huajin Technology Jiaxing Co., Ltd. was established in May 2021 and is located at 707 Yanyu Road, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province. It is a high-tech enterprise specializing in the research and development, production, and sales of relays.The registered capital of the company is 10 million yuan, covering an area of 8000 square meters, with more than 120 employees. The annual production capacity of magnetic latching relays is over 10 million, of which exports account for about 30%. The company has obtained ISO9001-2015 quality management system certification, and its relays have passed CCC certification, State Grid certification, TUV certification, etc. It also holds multiple technical patents. Our main products include motor relays, single-phase, two-phase, and three-phase magnetic latching relays, which have a wide variety of types and can meet various customized solutions for customers.
