Compact Type 1+2 AC Surge Protection for 3P+N Systems
LY1-C40M/3(S)+1 is a compact pluggable Type 1+2 AC surge protective device for three-phase plus neutral systems. It provides coordinated L-N and N-PE surge protection, helping limit lightning impulses and transient overvoltage while reducing the DIN-rail space required inside distribution and control panels.
Compact 3P+N configuration for three-phase four-wire systems
Capacité de décharge d'impulsion 7kA L-N et 25kA N-PE
Courant de décharge nominal de 20kA et courant maximum de 40kA
Modules plugables avec indication visuelle et contact à distance en option
Applications appropriées
LY1-C40M/3(S)+1 is suitable for compact three-phase plus neutral AC systems requiring coordinated Type 1+2 surge protection between L-N and N-PE.
Tableaux de distribution
For incoming surge protection in compact three-phase plus neutral distribution panels.
Panneaux de Contrôle Industriels
Suitable for machinery controls, automation cabinets, HVAC systems, and industrial equipment.
Bâtiments commerciaux
Helps protect three-phase building power systems against switching surges and lightning-induced overvoltage.
Solar AC Output Panels
For three-phase solar inverter AC output panels when the selected voltage version matches the installation.
FAQ
Common questions about LY1-C40M/3(S)+1 compact 3P+N pluggable Type 1+2 AC surge protective device selection.
What is LY1-C40M/3(S)+1 used for?
It is used for compact Type 1+2 surge protection in three-phase plus neutral AC systems, with coordinated protection between L-N and N-PE.
Que signifie 3P+N ?
3P+N means the SPD is designed for three phase conductors plus neutral, with L-N protection paths and a coordinated N-PE protection path.
Quels sont les indices de surtension fournis par ce SPD ?
It provides 20kA nominal discharge current and 40kA maximum discharge current. Its impulse discharge current is 7kA on the L-N paths and 25kA on the N-PE path.
Quelles options de tension sont disponibles ?
Les options de tension maximale continue de fonctionnement L-N disponibles sont 75V, 150V, 275V et 320V AC. La tension de fonctionnement continue N-PE est de 255V.
Quel est l'avantage du design compact et modulable ?
The compact structure reduces DIN-rail space, while the pluggable cartridges simplify inspection and replacement without removing the complete wired base.
Que doit-on confirmer avant de commander ?
Confirm the L-N system voltage, 3P+N circuit arrangement, N-PE protection requirement, 63A maximum backup fuse, conductor size, DIN-rail space, and remote-contact requirement.
