VAL-US-SPP-277/50/1+0-R
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Surge protection device
1790770
Surge protective device, UL Listed type 1 and IEC type 2, for 1-phase power supply networks for 277 V AC, replaceable surge protection plug with local status indicator (green/red), with plug-in remote signaling.
Product details
| Product type | Surge protection for NEMA power supply units |
| Product family | VAL-SPP |
| IEC test classification | II |
| T2 | |
| EN type | T2 |
| IEC power supply system | TN-C |
| TT | |
| Type | DIN rail module, two-section, divisible |
| Number of positions | 2 |
| Surge protection fault message | Optical, remote indicator contact |
| Insulation characteristics | |
| Overvoltage category | III |
| Pollution degree | 3 |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Indicator/remote signaling | |
| Connection name | Remote fault indicator contact |
| Switching function | Changeover contact |
| Max. required back-up fuse | 1 A (gG) |
| AC operating voltage | 5 V AC ... 250 V AC |
| AC operating current | 5 mA AC ... 1 A AC |
| DC operating voltage | 30 V DC |
| DC operating current | 1 A DC |
| DC operating voltage | 125 V DC |
| DC operating current | 200 mA DC |
| Insulation type | The product has double/reinforced insulation between the main and auxiliary circuit. |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque | 3 Nm ... 3.5 Nm |
| Stripping length | 18 mm |
| Conductor cross-section flexible | 1.5 mm² ... 35 mm² (without ferrule) |
| 2x 1.5 mm² ... 16 mm² (2 conductors with the same cross-section) | |
| Conductor cross-section rigid | 1.5 mm² ... 50 mm² |
| 2x 1.5 mm² ... 16 mm² (2 conductors with the same cross-section) | |
| Conductor cross-section AWG | 15 ... 2 |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 1.5 mm² ... 16 mm² |
| Conductor cross-section, flexible, with ferrule, with plastic sleeve | 1.5 mm² ... 35 mm² |
| 2x 1.5 mm² ... 10 mm² (2 conductors with the same cross-section) | |
| Conductor cross-section flexible, with ferrule without plastic sleeve | 1.5 mm² ... 25 mm² |
| 2x 1.5 mm² ... 16 mm² (2 conductors with the same cross-section) | |
| Connection method | Fork-type cable lug |
| Conductor cross-section flexible | 1.5 mm² ... 25 mm² |
| Remote fault indicator contact | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross-section flexible | 0.25 mm² ... 1.5 mm² |
| Conductor cross-section rigid | 0.25 mm² ... 1.5 mm² |
| Conductor cross-section AWG | 24 ... 16 |
| Conductor cross-section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² |
| Conductor cross-section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 0.75 mm² |
| Dimensional drawing |
|
| Width | 17.8 mm |
| Height | 110.8 mm |
| Depth | 71.5 mm (incl. DIN rail 7.5 mm) |
| Horizontal pitch | 1 Div. |
| Color | gray (RAL 7042) |
| light gray (RAL 7035) | |
| Flammability rating according to UL 94 | V-0 |
| CTI value of material | 600 |
| Insulating material | PA 6.6-FR 20 % GF |
| PBT | |
| Material group | I |
| Housing material | PA 6.6-FR 20 % GF |
| PBT |
| Mechanical data | |
| Open side panel | No |
| Mode of protection | L-N |
| L-PEN | |
| Nominal voltage UN | 277 V AC ±10 % (TN) |
| 277 V AC ±10 % (TT) | |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous operating voltage UC | 385 V AC |
| Rated load current IL | 80 A (25 mm²) |
| Standby power consumption PC | ≤ 154 mVA |
| Nominal discharge current In (8/20) µs | 20 kA |
| Short-circuit current rating ISCCR | 50 kA |
| Voltage protection level Up | ≤ 1.8 kV |
| Residual voltage Ures | ≤ 1.8 kV (at In) |
| TOV behavior at UT | 403 V AC (5 s / withstand mode) |
| 530 V AC (120 min / safe failure mode) | |
| Response time tA | ≤ 25 ns |
| Max. backup fuse with V-type through wiring | 80 A (gG) |
| Max. backup fuse with branch wiring | 315 A (gG) |
| Ambient conditions | |
| Degree of protection | IP20C (Installed) |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Ambient temperature (assembly) | -5 °C ... 50 °C |
| Altitude | ≤ 2000 m (amsl) |
| Permissible humidity (operation) | 5 % ... 95 % |
| Shock (operation) | 25g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z) |
| Vibration (operation) | 5g (10 ... 500 Hz / 2.5 h / X, Y, Z) |
| UL specifications | |
| Maximum continuous operating voltage MCOV | 385 V AC |
| Short-circuit current rating (SCCR) | 200 kA |
| Voltage protection rating VPR | 1500 V |
| Nominal discharge current In | 20 kA |
| Maximum Surge Current per Phase | 1x 50 kA (IEEE C62.73) |
| Mode of protection | Ld-Ld |
| Nominal voltage | 277 V AC |
| Power distribution system | Single phase |
| Nominal frequency | 50/60 Hz |
| SPD Type | 1 |
| UL indicator/remote signaling | |
| Operating voltage | 250 V AC |
| DC operating voltage | 30 V DC |
| AC operating current | 5 mA AC ... 1 A AC |
| DC operating current | 1 A DC |
| UL connection data | |
| Tightening torque | 30 lbf-in. |
| Conductor cross-section AWG | 14 ... 2 |
| Standards/specifications | IEC 61643-11 |
| Note | 2011 |
| Standards/specifications | EN 61643-11 |
| Note | 2012 + A11:2018 |
| Mounting type | DIN rail: 35 mm |
Your advantages
Universal surge protective device (SPD) with UL Listed type 1 and IEC type 2: suitable for all common supply system configurations and supply voltages in North America
Minimal maintenance with replaceable surge protection plugs
Clear status indication with local optical green/red display and plug-in remote signaling for quick and easy installation
Simple planning with comprehensive digital data
Miswiring and touch protection for safe installation