VAL-US-277/80/1+0-FM
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Surge protection device
2910377
Surge protective device, UL Listed type 1 and IEC type 2, single channel with remote indication contact for 277 V AC.
Product details
| Product type | Surge protection for NEMA power supply units |
| Product family | VALVETRAB US |
| IEC test classification | II |
| T2 | |
| EN type | T2 |
| IEC power supply system | TN-C |
| Type | DIN rail module, two-section, divisible |
| Number of positions | 1 |
| Surge protection fault message | Optical, remote indicator contact |
| Insulation characteristics | |
| Overvoltage category | III |
| Pollution degree | 2 |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Indicator/remote signaling | |
| Connection name | Remote fault indicator contact |
| Switching function | Changeover contact |
| Operating voltage | 5 V AC ... 250 V AC |
| 30 V DC | |
| Operating current | 5 mA AC ... 1.5 A AC |
| 1 A DC | |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque | 3 Nm (1.5 mm² ... 16 mm²) |
| 4.5 Nm (25 mm² ... 35 mm²) | |
| Stripping length | 16 mm |
| Conductor cross section flexible | 1.5 mm² ... 25 mm² |
| Conductor cross section rigid | 1.5 mm² ... 35 mm² |
| Conductor cross section AWG | 15 ... 2 |
| Connection method | Fork-type cable lug |
| Conductor cross section flexible | 1.5 mm² ... 16 mm² |
| Remote fault indicator contact | |
| Connection method | Plug-in/screw connection via COMBICON |
| Screw thread | M2 |
| Tightening torque | 0.25 Nm |
| Stripping length | 7 mm |
| Conductor cross section flexible | 0.14 mm² ... 1.5 mm² |
| Conductor cross section rigid | 0.14 mm² ... 1.5 mm² |
| Conductor cross section AWG | 28 ... 16 |
| Dimensional drawing |
|
| Width | 17.6 mm |
| Height | 98.7 mm |
| Depth | 77.5 mm (incl. DIN rail 7.5 mm) |
| Horizontal pitch | 1 Div. |
| Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V-0 |
| CTI value of material | 600 |
| Insulating material | PA 6.6/PBT |
| Material group | I |
| Housing material | PA 6.6 |
| PBT |
| Mechanical data | |
| Open side panel | No |
| Mode of protection | L-N |
| Direction of action | 1L-GND |
| Nominal voltage UN | 277/480 V AC (TN-C) |
| 240/415 V AC (TN-C) | |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Maximum continuous voltage UC | 385 V AC |
| Protective conductor current IPE | ≤ 600 µA |
| Nominal discharge current In (8/20) µs | 40 kA |
| Maximum discharge current Imax (8/20) µs | 80 kA |
| Short-circuit current rating ISCCR | 25 kA |
| Voltage protection level Up | ≤ 2 kV |
| Residual voltage Ures | ≤ 2 kV (at In) |
| ≤ 1.3 kV (at 10 kA) | |
| ≤ 1.2 kV (at 5 kA) | |
| ≤ 1.15 kV (at 3 kA) | |
| TOV behavior at UT | 480 V AC (5 s / withstand mode) |
| 457 V AC (120 min / withstand mode) | |
| 530 V AC (safe failure mode) | |
| Response time tA | ≤ 25 ns |
| Max. backup fuse with branch wiring | 125 A (gG) |
| Ambient conditions | |
| Degree of protection | IP20 (only when all terminal points are used) |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m (amsl) |
| Permissible humidity (operation) | 5 % ... 95 % |
| Shock (operation) | 30g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z) |
| Vibration (operation) | 7.5g (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 |
| UL type | type 1 |
| Nominal discharge current In | 20 kA |
| Maximum Surge Current per Phase | 80 kA |
| Mode of protection | L-N |
| L-G | |
| Nominal voltage | 277/480 V AC (Single-phase) |
| Power distribution system | Single phase |
| Nominal frequency | 50/60 Hz |
| SPD Type | 1 |
| UL indicator/remote signaling | |
| Operating voltage | 125 V AC |
| AC operating current | 1 A AC |
| UL connection data | |
| Tightening torque | 30 lbf-in. |
| Conductor cross section AWG | 14 ... 2 |
| Air clearances and creepage distances | |
| Standards/regulations | EN 60664-1 / EN 61643-11 |
| Standards/specifications | IEC 61643-11 |
| Note | 2011 |
| Standards/specifications | EN 61643-11 |
| Note | 2012 |
| Mounting type | DIN rail: 35 mm |
Your advantages
With floating remote indication contact
Type 2 consistent plug-in surge arresters
Optical, mechanical status indication for the individual arresters
Multi-channel type 2 protective devices
Mechanical coding of all slots
Plugs can be checked with CHECKMASTER
Disconnect device on each individual plug
Secure hold of plugs in the event of high lightning current loads and strong vibrations thanks to new latching