Phoenix Contact 2905340 VAL-SEC-T2-3S-350-FM Surge Arrester Type 2 3P+N

The Phoenix Contact 2905340 is a VAL-SEC-T2-3S-350-FM plug-in surge arrester to Type 2 / Class II, for three-phase supply networks with separate N and PE (L1, L2, L3, N, PE). It carries a nominal discharge current of 20 kA with a maximum discharge current of 40 kA, and has a remote indication contact for status signalling.

Technical specifications:

• Item number: 2905340
• Manufacturer: Phoenix Contact
• Designation: VAL-SEC-T2-3S-350-FM
• Product family: SEC Family
• Product type: Surge arrester
• IEC test classification: T2 (Type 2 / Class II)
• Power supply system: TN-S, TT
• Protection modes: 3L-N and N-PE
• Number of positions: 4
• Nominal discharge current In (8/20 µs): 20 kA
• Maximum discharge current Imax (8/20 µs): 40 kA
• Max. continuous operating voltage UC: 350 V AC (L-N), 350 V AC (L-PE), 264 V AC (N-PE)
• Voltage protection level Up: ≤ 1.5 kV (L-N), ≤ 1.9 kV (L-PE), ≤ 1.5 kV (N-PE)
• Nominal voltage UN: 240/415 V AC
• Nominal frequency: 50 Hz (60 Hz)
• Short-circuit current rating (ISCCR): 50 kA (for a backup fuse of up to 200 A gG)
• Overvoltage category: III, pollution degree: 2
• Status indication: optical, with remote indicator contact (changeover)
• Connection method: screw connection, M5, tightening torque 4.5 Nm
• Conductor cross-section: 2.5 mm² ... 25 mm² (rigid), 2.5 mm² ... 16 mm² (flexible)
• Stripping length: 16 mm
• Type: DIN rail module, two-section, divisible
• Horizontal pitch: 2.7 Div.
• Dimensions (WxHxD): 49.2 mm x 97.9 mm x 74.5 mm (incl. DIN rail 7.5 mm)
• Flammability rating (UL 94): V-0
• Weight per piece: 390 g
• Country of origin: DE
• GTIN: 4046356948173

Features and benefits:

• Pluggable protection modules can be replaced without rewiring the base element
• Mechanical/visual status indicator plus a remote indication contact for monitoring
• Type 2 / Class II protection for 5-conductor TN-S and TT systems
• Two-section divisible DIN rail module

Applications:

• Surge protection in sub-distribution boards of three-phase installations
• Protecting equipment downstream of a lightning current arrester in a coordinated system
• Installations requiring remote signalling of surge protector status
• TN-S and TT networks with separate N and PE conductors

Type 2 / Class II surge protective device. Part of the Phoenix Contact SEC family.

Also known as: Phoenix Contact 2905340, VAL-SEC-T2-3S-350-FM.