JCDY-2A直流电压继电器
产品概述
JCDY-2A直流电压继电器是一种专为直流电源系统设计的保护装置,适用于电站、直流屏、镉镍电池屏等场合,用于监测直流电源的过电压或欠电压状态。该产品采用集成运放电路和数字拨码整定技术,具有动作灵敏、整定误差小、返回系数高(过压≥0.97,欠压≤1.03)等特点,能够稳定可靠地实现电压保护功能。其模块化设计支持过压保护和低电压闭锁一体化,适用于不同电压等级的直流系统(如48V、110V、220V)。136
技术特点
JCDY-2A直流电压继电器采用中间继电器输出,触点容量为250V/5A,可承受直流有感负荷电路中的50W断开容量,电气寿命达5×10⁴次。产品通过拨码开关直观设置动作值,整定范围宽(如220V型号的过压保护范围为220V~279V,欠压为180V~220V),误差不超过±2%。其线性度高、无噪声,且功耗低于10W,适合长期运行。继电器提供多种接线方式(板前或板后)和触点组合(常开、常闭或转换触点),可根据用户需求定制。1411
应用场景
该继电器广泛应用于电力、冶金、化工等行业的直流系统监测,特别适用于需要高精度电压保护的场景,如直流屏配套、电池充放电管理、工业自动化控制等。其改进型设计(基于JCDY-2系列)优化了过压和欠压保护的协同性,可有效避免设备因电压异常导致的损坏。此外,继电器的小型化结构和导轨安装选项便于集成到各类控制柜中。3614
Product Overview
The JCDY-2A DC voltage relay is a protective device designed for DC power systems, widely used in power stations, DC panels, and nickel-cadmium battery panels to monitor overvoltage or undervoltage conditions. It features integrated operational amplifier circuits and digital dial-switch setting technology, ensuring high sensitivity (overvoltage ratio ≥0.97, undervoltage ≤1.03) and minimal setting error (±2%). The relay combines overvoltage protection and low-voltage lockout functions in a modular design, compatible with 48V, 110V, and 220V DC systems.1212
Key Features
With intermediate relay output, the JCDY-2A offers a contact capacity of 250V/5A, capable of handling 50W breaking capacity in DC inductive load circuits and 50,000 operational cycles. The dial-switch allows intuitive adjustment of action values (e.g., 220V model: overvoltage 220V–279V, undervoltage 180V–220V). Its linear response, low noise, and power consumption (<10W) ensure stable performance. Multiple wiring options (front/rear mounting) and contact configurations (NO, NC, or changeover) are available for customization.41115
Applications
Ideal for industries like power, metallurgy, and chemical processing, this relay excels in scenarios requiring precise voltage monitoring, such as DC panel integration, battery management, and industrial automation. Its enhanced design (based on JCDY-2 series) improves coordination between over/undervoltage protection, safeguarding equipment from voltage anomalies. Compact size and DIN rail mounting options facilitate easy installation in control cabinets.3614
JCDY-2A直流电压继电器
的详细介绍
JCDY-2A直流电压继电器
电压继电器 >> JCDY-2A直流电压继电器 |
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JCDY-2A直流电压继电器
1、应用范围 |
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该继电器系JCDY-2直流电压继电器改进型,除具有原继电器的特点外,集过电压保护、低电压闭锁于一体,可广泛用于直流屏、镉镍电池屏,作直流系统工作状态监视自动调节的测量元件。 |
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2.主要技术参数 |
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额定直流电压:220V、110V、48V。 |
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返回系数:过压97-99%;欠压101-103%。 |
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动作时间:1.1倍动作值下动作时间不大于25ms; |
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返回时间:1.1倍动作值下返回时间不大于25ms; |
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整定误差:不大于±2%。 |
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功率消耗:不大于10W。 |
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触点容量:在电压不超过250V,电流不超过5A,时间常数为5±0.75ms的直流有感负荷电路中,产品输出触点的断开容量为50W。输出触点在上述规定的负荷条件下,产品能可靠动作及返回5×104次。输出触点长期允许接通电流为5A。 |
规格
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欠压整定范围
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过压整定范围
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JCDY-2A/220V
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180-220V
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220-279V
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JCDY-2A/110V
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80-110V
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110-150V
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JCDY-2A/48V
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40-48V
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48-56V
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3.内部接线 |
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4.外形及开孔尺寸 |
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1.凸出式固定接线壳体。 |
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2.凸出式插拔结构壳体。 |
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3.嵌装式插拔结构壳体。 |
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