Eaton 158331 SPBT12-280/4 Type 1+2 Surge Arrester Kit TN-S 4P 280V

The Eaton SPBT12-280/4 is a four-pole Type 1 + 2 surge protection device from the Moeller series xPole range, combining lightning current and surge arrester protection in a single TN-S kit. With a lightning impulse current rating of 12.5 kA (10/350 µs) and a voltage protection level of 1.5 kV, it mounts on a 35 mm DIN rail in a compact 4-module footprint.

Technical specifications:

• Model code: SPBT12-280/4
• Catalog number: 158331
• Manufacturer: Eaton
• EAN: 4015081548897
• Test class: Type 1 + 2
• Number of poles: Four-pole
• Nominal voltage at AC: 280 V
• Continuous voltage at AC (max): 280 V
• Lightning impulse current (10/350 µs): 12.5 kA
• Voltage protection level: 1.5 kV
• Voltage protection level (L-PE): 1.5 kV
• Specific energy (W/R): 39.1 kJ/Ohm
• Max series fuse: 160 A
• Max conductor cross section (flexible, fine-strand): 35 mm²
• Max conductor cross section (solid, solid-strand): 25 mm²
• Degree of protection: IP20
• Mounting: DIN rail (top hat rail) 35 mm
• Frame: 4 modular spacing
• Signalling: Optic
• System configuration: TN, TN-S, TT
• Dimensions (W x H x D): 70 x 69 x 86 mm
• Weight: 0.574 kg
• Compliance: RoHS conform

Features and benefits:

• Type 1 + 2 combined rating handles both direct lightning current and switching surges in one device
• Four-pole TN-S kit configuration protects all live and neutral conductors simultaneously
• Optic status indicator enables fast visual inspection of device condition without removal
• Compatible with TN, TN-S, and TT system configurations for broad installation flexibility
• Series fuse rating up to 160 A supports high-current upstream circuits

Applications:

• Main distribution boards in residential buildings requiring Type 1 + 2 surge protection
• Lightning protection for utility buildings and commercial premises
• Electrical installations in open areas exposed to direct lightning strikes
• Four-pole surge protection in TN-S wired installations

RoHS compliant. Part of the Eaton Moeller series xPole protective devices range.

Also known as: Eaton SPBT12-280/4, Eaton 158331, Eaton catalog 158331, Eaton model SPBT12-280/4, Eaton xPole SPD, Eaton 4-pole surge arrester.