SCHNEIDER A9L20501 Acti9 Surge Protective Device (SPD), MOV+GDT, Type 2, Imax 20kA, 1P+N

Surge Protective Device SCHNEIDER A9L20501  Acti9  MOV+GDT Type 2 Imax 20kA 1P+N
A9L20501, or short model name iPRD20r, is a Type 2 surge arrester designed for single-phase electrical systems with neutral (1P + N). It has a maximum discharge current capacity of up to 20 kA per pole (Common Mode and Differential Mode), utilizes MOV (Metal Oxide Varistor) combined with GDT (Gas Discharge Tube) technology, and features remote signaling contacts to transmit a signal in case of damage or when cartridge replacement is required.

Specifications
- Maximum surge protection up to 20 kA, suitable for industrial building electrical systems
- Modular type with easily replaceable cartridges at the end of service life
- Features remote contacts to instantly send an alert signal to the control panel when replacement is due
- Degree of protection is IP20 and IP40 
- Complies with IEC 61643-11:2011 and EN61643-11:2012 standards

Applications & Usage
- Premium residential electrical systems: Used in large residences requiring the highest level of protection
- Industrial systems: Used in factory control cabinets and power distribution boards to protect electronic equipment, PLCs, and motor control systems
- Main building protection: Installed at the main distribution board (MDB) or sub-distribution board (DB) of medium to large buildings
- Used in conjunction with other protective devices such as MCBs, RCCBs, and RCBOs to complete the safety system