 | - OCGR是一种基于微处理器的数字式保护继电器，具有接地过电流检测元件。为了保护环境安全，它可以应用于： 一。瞬间脱扣。具有三条反时限特性曲线 2.由于故障等级由A/D转换器处理，且比E/M类型或静态类型精确，因此单独使用具有定时限特性。 |
Model | ||
DCG-M22D (Draw out) | ||
Rating | Rated current | AC 5A |
Frequency | 50/60Hz ±5% | |
Auxiliary Voltage | AC/DC 110V (86~260V) | |
Ambient temperature | -10℃ to 60℃(with no icing) | |
Current Setting | Over current Range | 0.2~2A (stepas of 0.05) |
Instantaneous Range | 1~40A(stepas of 0.5A) | |
Time Setting & | Overcurrent time lever | 0.25~40(Steps of 0.25) |
Instantaneous | Less than 40ms(over 200%) | |
Normal inverse time | NI= (0.14/I0.02 -1) * (tp/10) | |
Very inverse time | VI= (13.5/I -1) * (tp/10) | |
Extremely inverse | EI= (80/I2 -1) * (tp/10) | |
Definite time | DE= 2 * (tp/10) | |
Resetting Value | > 95% | |
Reset time | < 100ms | |
Operating time | Over Current | Lever #10 |
Normal inverse time | 300% 6.3 sec, 700% 3.5 sec | |
Very inverse time | 300% 6.75 sec, 700% 2.25 sec | |
Extremely inverse time | 300% 10 sec, 700% 1.67 sec | |
Instantaneous time | Iess then 0.04 sec(200% overcurrent) | |
Degree Protection | IP 52 | |
Thermal Withstand Capability | for 1s 80xIn Continuously 3xIn | |
Burden | Overcurrent | 0.5VA |
Aux Voltage | 12VA(AC), 6W(DC) | |
Contacts | Output Relay | Trip 1c, Alarm 1a |
Trip & Alarm contact capacity | ||
Make | AC 240V 10A (L/R=0ms) | |
DC 1000W 0.5sec (L/R=0ms) | ||
Break | AC 240V 3A (L/R=0ms) | |
DC 30W 0.5sec (L/R=0ms) | ||
Indicator | Operating(Start) | LED (Red) |
Operating(trip) | LED (Gre) | |
Vibration resistance | Malfunction | 10Hz 5mm double amplitude 30s each in X and Y directions |
16.7Hz 2.5mm double amplitude 600s each in X, Y and Z 1directions | ||
Shock resistance | Destruction | 300㎨(approx. 30G) 3times each in 3 directions |
Insulation to IEC 255 | Dielectric Withstand | 2kV for 1minute between all terminals and case earth |
Insulation resistance at 500V | >100㏁ | |
Impluse Voltage Withstand | 5kv-1.2/50㎲ | |
Surge transient simulator | 2.5kv 1MHz/200Ω | |
Weight | 2.0kg | |
