HHZ 高诺斯_Crouzet 频率控制继电器 84872501
HHZ series frequency control relay
Monitors the frequency variation of 50 or 60 Hz alternating signals.
Monitors its own supply voltage connected between phase and neutral.
Under and over-frequency with two independent relay outputs.
Measurement in true RMS.
Selectable memory function.
LED status display.
| Operating voltage: | 120 → 277 Vac (-15 % / +10 %) |
| Measuring range: | 40 → 70 Hz |
| High threshold setting: | -2 → +10 Hz |
| Low threshold setting: | +2 → -10 Hz |
| Fixed hysteresis | 0.3 Hz |
| Display accuracy | ± 1 % of full scale |
| Delay at threshold: | 0.1 → 10 sec. (0 + 10 %) |
| Display accuracy: | ±10 % of full scale |
| Output: | 2 single changeover relays |
| Cut-off voltage (max.): | 250 Vac / Vdc |
| Cut-off current (max.): | 5 A AC / DC |
| Enclosure: | 35 mm |
| Operating temperature: | -20 °C → +50 °C |
| Approvals | UL; CSA; GL; GOST; applicable WEEE |
84872501产品技术参数
| 长度 | 69mm | |
| 尺寸 | 69 x 35 x 92.6 mm | |
| 触点配置 | DP 常开/常闭 | |
| 电源电压 | 120 → 277 V 交流 | |
| 高度 | 92.6mm | |
| 工作温度范围 | -20 →+50°C | |
| 监测应用 | 频率 | |
| 宽度 | 35mm | |
| 频率感应距离 | 40 → 70 Hz | |
| 频率灵敏度 | 超频率，过低频率 | |
| 延时 | 0.1 → 10 s | |
| 最大频率感应 | 70Hz | |
| 最低工作温度 | -20°C | |
| 最高工作温度 | +50°C | |
| 最小频率感应 | 40Hz |