Why Choose the Finder 7P.27.8.150.1015 Type 2 Surge Protection Device?
The Finder 7P.27.8.150.1015 is a reliable Type 2 surge protection device (SPD) with remote signalling, designed to protect single-phase TN electrical installations against transient overvoltages caused by induced lightning surges and electrical switching disturbances. As part of the Finder 7P Series surge protection range, this device features a 1+NPE protection configuration with two varistor elements, providing effective surge limitation for low-voltage electrical distribution and industrial control applications.
The device incorporates metal oxide varistor (MOV) technology to divert transient surge currents and limit potentially damaging voltage spikes. Its replaceable varistor modules and integrated visual status indicators simplify inspection and maintenance, while the built-in remote signalling contact enables the protection status to be monitored through compatible alarm, PLC or building management systems.
With a 150 V AC maximum continuous operating voltage, a 15 kA nominal discharge current and a 40 kA maximum discharge current, the Finder 7P.27.8.150.1015 is suitable for compatible single-phase TN electrical installations. Its compact two-module DIN rail-mounted construction, IP20 protection rating and remote monitoring capability make it a practical choice for electrical distribution panels, automation cabinets and industrial control systems.
Key Advantages
- Reliable Type 2 surge protection for single-phase TN electrical installations.
- 1+NPE protection configuration with two varistor protection elements.
- 150 V AC maximum continuous operating voltage for compatible low-voltage circuits.
- 15 kA nominal discharge current for transient overvoltage protection.
- 40 kA maximum discharge current for high-energy surge events.
- 0.74 kV voltage protection level helps limit damaging transient voltages.
- Integrated remote signalling changeover contact supports external fault and condition monitoring.
- Replaceable varistor modules simplify servicing and maintenance.
- Visual Healthy/Replace status indication enables convenient local inspection.
- Compact two-module design helps conserve space inside electrical distribution boards.
- 35 mm DIN rail mounting enables straightforward panel installation.
- Designed for coordinated surge protection between lightning protection zones LPZ 1 and LPZ 2.
Key Features
- Finder 7P Series surge protection device.
- Type 2 surge arrester for low-voltage AC systems.
- 1+NPE protection configuration for single-phase TN networks with neutral.
- Two metal oxide varistor protection elements.
- 120 V AC nominal system voltage.
- 150 V AC maximum continuous operating voltage (Uc).
- 15 kA nominal discharge current (In, 8/20 µs).
- 40 kA maximum discharge current (Imax, 8/20 µs).
- 0.74 kV voltage protection level (Up).
- 25 ns response time for rapid surge limitation.
- 1 CO (SPDT) remote signalling contact for varistor condition monitoring.
- 07P.01 remote signalling connector included.
- Replaceable varistor modules with visual status indication.
- IP20 protection rating for installation inside suitable electrical enclosures.
- Operating temperature range of −40 to +80 °C.
- 35 mm DIN rail mounting in accordance with EN 60715.
- Two-module width for compact electrical panel installation.
- Designed in accordance with EN 61643-11.
Technical Specifications
- Manufacturer: Finder
- Series: 7P Series Surge Protection Devices
- Model: 7P.27.8.150.1015
- Product type: AC surge protection device with remote signalling
- SPD classification: Type 2
- Protection configuration: 1+NPE
- Protection elements: 2 metal oxide varistors
- Compatible network: Single-phase TN system with neutral
- Nominal system voltage (Un): 120 V AC
- Maximum continuous operating voltage (Uc): 150 V AC
- Nominal discharge current (In, 8/20 µs): 15 kA
- Maximum discharge current (Imax, 8/20 µs): 40 kA
- Voltage protection level (Up): 0.74 kV
- Voltage protection level at 5 kA: 0.6 kV
- Response time: 25 ns
- Short-circuit current rating (ISCCR): 50 kA with specified upstream protection
- Maximum backup fuse rating: 160 A gL/gG
- Status indication: Visual Healthy/Replace indicator
- Remote signalling: Integrated changeover contact
- Remote contact configuration: 1 CO (SPDT)
- Remote contact rated voltage: 250 V AC / 30 V DC
- Remote contact rated current: 0.5 A AC / 0.1 A DC
- Remote signalling connector: 07P.01 included
- Replaceable varistor module: 7P.20.8.150.0015
- Protection rating: IP20
- Operating temperature: −40 to +80 °C
- Mounting type: 35 mm DIN rail (EN 60715)
- Module width: 2 modules
- Solid conductor cross-section: 1–35 mm²
- Stranded conductor cross-section: 1–25 mm²
- Conductor stripping length: 12 mm
- Terminal tightening torque: 3 Nm
- Applicable standard: EN 61643-11
- EAN: 8012823453392
Reliable Surge Protection for Industrial Electrical and Automation Systems
Transient overvoltages can enter electrical installations through incoming power supplies, distribution wiring and switching operations. Surge protection devices such as the Finder 7P.27.8.150.1015 help protect sensitive equipment by limiting excessive transient voltages and diverting surge currents through a properly designed protective arrangement. Its two-varistor configuration provides surge protection for compatible single-phase TN electrical systems.
The Finder 7P.27.8.150.1015 also supports remote surge protection condition monitoring through its integrated changeover contact. This allows maintenance personnel or compatible supervisory systems to detect a change in SPD status without relying solely on local visual inspection. Combined with replaceable varistor modules and compact DIN rail construction, the device provides a maintainable surge protection solution for industrial automation, electrical distribution and building control installations.
Typical Applications
- Single-phase TN electrical distribution systems.
- Industrial electrical control panels and automation cabinets.
- Low-voltage AC power distribution boards.
- Machinery control and industrial automation systems.
- PLC and electrical control equipment protection.
- Building management and monitoring installations.
- Electrical panels requiring remote SPD status signalling.
- Commercial and industrial installations requiring Type 2 surge protection.
