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| Parameter | Description |
|---|---|
| Product | Type 2 + 3 AC Surge Protector |
| SPD Type | Type 2 + Type 3 (IEC) |
| Technology | VG Technology (MOV + GSG) |
| Network | 230/400 V, 3-Phase + Neutral AC (TT/TNS) |
| SPD Configuration | 3-Phase + Neutral |
| Maximum AC Operating Voltage (Uc) | 275 Vac |
| Nominal Discharge Current (In) | 20 kA (15 × 8/20 µs impulses) |
| Maximum Discharge Current (Imax) | 50 kA per pole |
| Total Maximum Discharge Current | 50 kA |
| Combination Wave Withstand (Uoc) | 6 kV (1.2/50 µs – 8/20 µs) |
| Connection Modes | L/N and N/PE |
| Protection Level (Up L/N) | 1.5 kV |
| Protection Level (Up N/PE) | 1.5 kV |
| Residual Voltage at 5 kA (L/N) | 0.7 kV |
| Residual Voltage at 5 kA (N/PE) | 0.7 kV |
| Temporary Over Voltage (5 sec) | 335 Vac (Without Disconnection) |
| Temporary Over Voltage (120 min) | 440 Vac (Withstand) |
| Temporary Over Voltage N/PE | 1200 V / 300 A / 200 ms |
| Leakage Current (Ipe) | None |
| Follow Current (If) | None |
| Admissible Short-Circuit Current (Isccr) | 50,000 A |
| Connection | Screw Terminals (2.5–25 mm², 35 mm² rigid) |
| Mounting | 35 mm DIN Rail (EN 60715) |
| Housing Material | Thermoplastic UL94 V-0 |
| Operating Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Failsafe Mode | Disconnection from AC Network |
| Disconnection Indicator | Mechanical Red/Green Indicator (Each Pole) |
| Remote Signaling | Changeover Contact |
| Remote Signaling Wiring | Up to 1.5 mm² |
| Remote Signaling Rating | 250 V / 0.5 A (AC), 30 V / 3 A (DC) |
| Spare Module | MDAC50VG-275 + MDAC50G-255 |
| Dimensions | 4TE (EN43880), See Diagram |
| Weight | 0.343 kg |
| Internal Disconnector | Thermal Disconnector |
| Recommended Ground Fault Breaker | Type 'S' or Delayed |
| Back-up Protection | 50–160 A gG Fuses |
| Standards Compliance | IEC 61643-11, EN 61643-11, UL1449 Ed.5 |
| Certification | KEMA |
| Part Number | 821130244 |