Phoenix Contact 1790790 VAL-US-SPP-480D/40/3+0-R Type 2 Surge Arrester 480V

The Phoenix Contact VAL-US-SPP-480D/40/3+0-R (item number 1790790) is a surge protective device for three-phase power supply systems on 480 V AC Delta networks. It is UL Listed as SPD Type 1 and classified to IEC test class II (Type 2), with a nominal discharge current In of 20 kA and a voltage protection level Up of ≤ 2.4 kV. The surge protection plugs are replaceable and each carries a local green/red status indicator, while a plug-in remote indicator contact signals the device status back to the control system.

Technical specifications:

• Item number: 1790790
• Manufacturer: Phoenix Contact
• Designation: VAL-US-SPP-480D/40/3+0-R
• Product family: VAL-SPP
• Product type: Surge protection for NEMA power supply units
• IEC test classification: II, T2
• EN type: T2
• UL SPD Type: 1
• IEC power supply system: IT, TN-C
• Mode of protection: L-PE, L-PEN
• Number of positions: 3
• Number of ports: One
• Design: DIN rail module, two-section, divisible
• Nominal voltage UN: 480 V AC ±10 % (IT), 480/690 V AC ±10 % (TN-C)
• Nominal frequency fN: 50 Hz (60 Hz)
• Maximum continuous operating voltage UC: 550 V AC
• Nominal discharge current In (8/20 µs): 20 kA
• Short-circuit current rating ISCCR: 25 kA
• Voltage protection level Up: ≤ 2.4 kV
• Residual voltage Ures: ≤ 2.4 kV (at In)
• TOV behaviour at UT: 700 V AC (5 s / withstand mode), 920 V AC (120 min / safe failure mode)
• Response time tA: ≤ 25 ns
• Rated load current IL: 80 A (25 mm²)
• Standby power consumption PC: ≤ 495 mVA
• Max. backup fuse: 80 A (gG) with V-type through wiring, 250 A (gG) with branch wiring
• End-of-life mode: OCM
• Surge protection fault message: Optical, remote indicator contact
• Remote indicator contact: Changeover contact, 5 V AC ... 250 V AC / 5 mA AC ... 1 A AC, 30 V DC / 1 A DC, 125 V DC / 200 mA DC
• Max. required back-up fuse (remote contact): 1 A (gG)
• Connection method: Screw connection, screw thread M5, tightening torque 3 Nm ... 3.5 Nm, stripping length 18 mm
• 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 flexible: 1.5 mm² ... 35 mm² (without ferrule), 2x 1.5 mm² ... 16 mm² (2 conductors with the same cross-section)
• Conductor cross-section AWG: 15 ... 2
• Alternative connection: Fork-type cable lug, flexible 1.5 mm² ... 25 mm²
• Remote contact connection: Push-in connection, rigid and flexible 0.25 mm² ... 1.5 mm², AWG 24 ... 16, stripping length 8 mm
• Overvoltage category: III
• Pollution degree: 2
• Degree of protection: IP20C (Installed)
• Ambient temperature (operation): -40 °C ... 85 °C
• Altitude: ≤ 2000 m (amsl)
• Permissible humidity (operation): 5 % ... 95 %
• Mounting type: DIN rail 35 mm
• Dimensions (W x H x D): 53.4 mm x 109.1 mm x 71.5 mm (incl. DIN rail 7.5 mm)
• Horizontal pitch: 3 Div.
• Colour: gray (RAL 7042), light gray (RAL 7035)
• Housing material: PA 6.6-FR 20 % GF, PBT
• Flammability rating (UL 94): V-0
• CTI value of material: 600
• UL data: MCOV 1100 V AC (L-L) and 550 V AC (L-G), SCCR 200 kA, VPR 4000 V (L-L) and 2000 V (L-G), In 20 kA, maximum surge current per phase 1x 40 kA (IEEE C62.73)
• UL nominal voltage: 480 V AC (Delta), power distribution system Delta
• Approvals: cULus Listed, Approval ID E330181-20251028
• Standards: IEC 61643-11:2011, EN 61643-11:2012 + A11:2018
• Weight per piece (excluding packing): 389.9 g
• Country of origin: DE
• GTIN: 4067923411203

Features and benefits:

• Universal surge protective device with UL Listed Type 1 and IEC Type 2 classification, suitable for all common supply system configurations and supply voltages in North America
• Minimal maintenance with replaceable surge protection plugs
• Clear status indication with a local optical green/red display and plug-in remote signalling for quick and easy installation
• Miswiring and touch protection for safe installation
• Two-section, divisible DIN rail module occupying 3 modules of horizontal pitch

Applications:

• Surge protection of 480 V AC Delta three-phase distribution boards
• Main and sub-distribution boards on North American supply systems
• Machinery and control panels built for export to North America requiring a UL Listed Type 1 SPD
• Installations where SPD status has to be monitored remotely through a signal contact

Compliant with IEC 61643-11:2011 and EN 61643-11:2012 + A11:2018, cULus Listed under E330181. Part of the Phoenix Contact VAL-SPP surge protection range.

Also known as: Phoenix Contact VAL-US-SPP-480D/40/3+0-R, Phoenix 1790790, PXC 480 V Delta Type 2 surge arrester.