GEYA
GRV8-21…26 3-Phase Voltage Relay
Ռելեներ և կառավարում։ GRV8-21…26 3-Phase Voltage Relay։ Մոդելի տեխնիկական տվյալներ և գնառաջարկ ԲիգՎոլտից։
| Բրենդ | GEYA |
| Ապրանքային խումբ | Ռելեներ և կառավարում |
Տեխնիկական բնութագրեր
| Function code | Over- voltage | Under- voltage | Asymmetry | OFF delay Phase time | Phase sequence | Phase failure |
| 21 | ○ | ● | ||||
| 22 | 5%…25%,OFF | OFF,-25%…-5% | 0.1s…30s | ● | ● | |
| 23 | 5%…25%,OFF | OFF,-25%…-5% | 8% | 0.1s…30s | ● | ● |
| 24 | 5%…25%,OFF | OFF,-25%…-5% | 5%…20%,OFF | 2s | ● | ● |
| 25 | 5%…20% | 0.1s…30s | ● | ● | ||
| 26 | 15% | -15% | 8% | 2s | ● | ● |
| Parameter | 3P3W | 3P4W |
| Function | Monitoring 3-phase voltage | |
| Monitoring terminals | L1-L2-L3 | L1-L2-L3-N |
| Supply terminals | L1-L2 | |
| Voltage range | 380-400-415-440-480(P-P) | 220-230-240-254-277(P-N) |
| Rated supply frequency | 45Hz-65Hz | |
| Measuring range | 260V-576V | 150V-332V |
| Threshold adjustment voltage | 5%-25%of Un selected or OFF The Max “U>” for Un 277V or 480V shall not exceed 20% | |
| Adjustment threshold | 5%-20% or OFF | |
| Hysteresis | 2% | |
| Phase failure value | 70% of Un selected | |
| OFF delay time(Tt) | Adjustable 0.1s-30s,10% | |
| Measurement error | ≤1% | |
| Delay at power up(Tr) | 0.5s | |
| Knob setting accuracy | 10% of scale value | |
| Output indication | Green LED | |
| Fault indication | Red LED | |
| Reset time | 1s | |
| Output | 2×SPDT | |
| Current rating | 8A/AC1 | |
| Switching voltage | 250VAC/24VDC | |
| Min.breaking capacity DC | 500mW | |
| Temperature coefficient | 0.05%/°C,at=20°C(0.05%°F,at=68°F) | |
| Mechanical life | 1×10⁷ | |
| Electrical life(AC1) | 1×10⁵ |