1.产 品 资 料 介 绍:
12HFA51A42H 辅助继电器 产品特点
- 采用工业级设计,结构稳定,长期运行可靠性高,满足工控与电力系统使用要求。
- 触点容量充足,通断能力强,可稳定承载控制回路中的常规负载电流。
- 动作响应速度快,吸合与释放准确,确保控制信号及时传递。
- 采用优质合金触点,接触电阻小,耐电弧、抗氧化,使用寿命长。
- 线圈功耗低,发热小,适合长期通电工作,节能且安全性高。
- 具备良好的抗干扰性能,可在复杂电磁环境下稳定工作不误动。
- 绝缘性能优异,电气间隙与爬电距离达标,保障回路安全隔离。
- 机械强度高,抗震动、抗冲击,适用于各类严苛工业现场环境。
- 安装方式标准,适配常规控制柜与继电保护装置,安装便捷。
- 体积适中,布局合理,便于多台密集安装,节省柜内空间。
- 工作温度范围宽,适应高低温环境,运行稳定不失效。
- 动作清晰,状态明确,便于现场观察与故障排查。
- 兼容性强,可与接触器、PLC、保护装置等设备配合使用。
- 具备多重安全设计,有效防止触点粘连与误动作风险。
- 适用场景广泛,涵盖电力、冶金、石化、制造、轨道交通等多个行业。
12HFA51A42H辅助继电器 产品英文
12HFA51A42H Auxiliary Relay Product Features
12HFA51A42H is a high-performance industrial auxiliary relay with advantages such as stability, reliability, fast response, and strong adaptability. It is widely used in electrical control, relay protection, and automation systems.
Adopting industrial grade design, stable structure, high long-term operational reliability, meeting the requirements of industrial control and power system use.
The contact capacity is sufficient, the on-off capability is strong, and it can stably carry the conventional load current in the control circuit.
Fast response speed, accurate suction and release, ensuring timely transmission of control signals.
Using high-quality alloy contacts, with low contact resistance, arc resistance, oxidation resistance, and long service life.
The coil has low power consumption, minimal heat generation, and is suitable for long-term operation with electricity. It is energy-saving and highly safe.
Has good anti-interference performance and can work stably without misoperation in complex electromagnetic environments.
Excellent insulation performance, electrical clearance and creepage distance meet standards, ensuring safe circuit isolation.
High mechanical strength, resistant to vibration and impact, suitable for various harsh industrial site environments.
Standard installation method, compatible with conventional control cabinets and relay protection devices, easy to install.
Moderate volume, reasonable layout, easy to install multiple units densely, saving cabinet space.
Wide working temperature range, suitable for high and low temperature environments, stable operation without failure.
Clear actions and clear states facilitate on-site observation and troubleshooting.
Strong compatibility, compatible with contactors PLC、 Use protective devices and other equipment in conjunction.
Equipped with multiple safety designs, effectively preventing contact adhesion and misoperation risks.
Widely applicable scenarios, covering multiple industries such as power, metallurgy, petrochemicals, manufacturing, and rail transit.
The 12HFA51A42H auxiliary relay, with its reliable performance, stable structure, and long lifespan, has become an important supporting component in industrial control circuits, effectively improving the safety and stability of system operation.
12HFA51A42H辅助继电器 产品展示

产品视频
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| AMAT 0190-07371 | AMAT 0190-07911 | AMAT 0190-28859 |
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| AMAT 0190-07450 | AMAT 0190-07917 | AMAT 0190-28961 |
| AMAT 0190-07502 | AMAT 0190-07969 | AMAT 0190-08426 |
| AMAT 0190-07534 | AMAT 0190-08048 | AMAT 0190-08429 |
| AMAT 0190-07535 | AMAT 0190-08054 | AMAT 0190-08430 |
The content is from Ruichang Mingsheng Automation Equipment Co., LTD
Contact: +86 15270269218




