SS-72型时间继电器
SS-72型时间继电器产品介绍（中文）
SS-72型时间继电器是一款专为电力系统继电保护及自动化控制设计的精密延时控制元件。该产品采用静态式数字技术，通过集成电路实现高精度延时功能，适用于需要精确时间级差配合的场合。继电器工作电压支持直流220V、110V和48V三种规格，动作电压不高于额定值的65%，返回电压不低于50%，确保在复杂工况下的稳定运行。其核心特点是延时误差不超过整定值的0.1%加2毫秒，功率消耗控制在9W以内，具备优异的能耗表现。触点容量方面，可在250V电压和5A电流条件下可靠分断直流有感负荷电路，输出触点断开容量达50W。产品采用模块化设计，提供多组常开/常闭触点配置选择，内部接线灵活，可满足不同系统的延时控制需求。外壳采用防震ABS材料，能适应-25℃至70℃的工作环境温度，并通过严格的介质强度测试，确保在2000V交流电压下无绝缘击穿风险。该继电器广泛应用于变电站自动化、工业控制等领域，特别适合对延时精度要求严苛的保护系统。3510
SS-72 Time Relay Product Introduction (English)
The SS-72 time relay is a precision delay control component specifically designed for power system protection and automation applications. Utilizing static digital technology with integrated circuits, it achieves high-precision timing functions suitable for scenarios requiring accurate time grading coordination. The relay operates at three standard DC voltages (220V, 110V, and 48V), with pick-up voltage not exceeding 65% of rated value and dropout voltage no less than 50%, ensuring stable performance under variable conditions. Its key feature includes timing accuracy within 0.1% of set value plus 2ms, while maintaining power consumption below 9W for optimal energy efficiency. Contact rating reaches 50W breaking capacity in DC inductive load circuits at 250V/5A. The modular design offers multiple NO/NC contact configurations with flexible internal wiring to accommodate diverse system requirements. Encased in shock-resistant ABS housing, the device withstands ambient temperatures from -25°C to 70°C, having passed rigorous dielectric strength tests at 2000V AC without insulation failure. Ideal for substation automation and industrial control systems, this relay excels in protection applications demanding stringent timing precision. 61321
产品技术特点补充说明
该系列继电器采用石英晶体振荡器产生基准时基信号，通过可编程逻辑回路实现0.02秒至990秒的宽范围延时，最小级差0.01秒。独特的温度补偿电路保障了在-10℃至50℃环境下的稳定性，平均误差不超过±1%最大整定值。双延时回路设计允许独立设置两组延时参数，可分别驱动执行继电器实现分阶段控制。显示单元采用三位LED数码管，实时显示剩余工作时间，并具备断电记忆功能。安装方式支持面板嵌入式（66×66mm开孔）和导轨式两种，适应不同柜体结构需求。继电器机械寿命超过100万次，触点电气寿命达10万次，满足长期连续运行要求。针对特殊应用场景，可提供负载断路报警功能和循环控制模式，实现A/B两组继电器的交替工作。202224
Additional Technical Features
Featuring quartz crystal oscillator for reference time-base generation, the relay offers programmable delays from 0.02s to 990s with 0.01s minimum increment. Its temperature compensation circuit maintains stability within ±1% of maximum setting value across -10°C to 50°C range. The dual-timing circuit design enables independent parameter settings for two-stage control via separately driven actuators. A 3-digit LED display shows remaining operation time with power-off memory function. Installation options include panel mounting (66×66mm cutout) and DIN rail mounting for versatile cabinet integration. With mechanical endurance exceeding 1 million operations and contact electrical life of 100,000 cycles, it suits long-term continuous operation. Special versions provide load-break alarm and alternating control modes for A/B relay groups, meeting specific application requirements. 261418
SS-72型时间继电器
的详细介绍
SS-72型时间继电器
| 时间继电器 >> SS-71.72.73 型时间继电器 |
|
 |
|
|
|
