Type 1+2 Lightning / Surge Arrester Combinations. Type 1+2 Surge Arresters combine the benefits of both type 1 and type 2 having both high impulse current withstand (10/350s) associated with direct lightning strikes and a low voltage protection level of 1.5kV (Up) exceeding the requirements for category II equipment identified within table 44.3 (BS7671)

• · Accessory for all Crabtree sub-distribution boards (except Fusestar)
• · SPD only, comes with plug-in modules
• · 4 modules wide
• · DIN mounting
• · SPD with remote indication contact
• · Disconnect facility for each individual module
• · Visual end of life indication for each module
• · IEC61643-1 / EN61643-11
• · IP20