Schneider Electric LC2K0901B7 LC2K0901B7 is a compact 3-pole TeSys K reversing contactor from Schneider Electric for motor applications. Rated 9A AC-3 4kW@400V, it includes a 24V 50/60Hz AC coil, 2NC auxiliary contacts, a mechanical interlock and pre-wired reversing circuit. LC2K0901B7 is a 3-pole TeSys K reversing contactor from Schneider Electric for simple motor applications rated up to 4kW@400V. Very compact, DIN-rail compatible, with connections by screw clamp terminals, it is assembled with a mechanical interlock and a pre-wired reversing circuit. It includes a 24V 50/60Hz AC coil and 2NC built-in auxiliary contacts. Available worldwide, it complies with multi-standards (IEC, UL, CSA, CCC, EAC, Marine) and is certified Green Premium (RoHs/Reach). Very compact, 90mm wide, for DIN-rail and panel mounting. Assembled with mechanical interlock and pre-wired reversing circuit. Provides a 24V AC coil compatible 50/60Hz and 2NC built-in auxiliary contact. Can be completed with auxiliary contact blocks (LA1K, LA2K) and thermal relays (LR2K). Features & Benefits • Ingress protection rating of IP20 to withstand dust and objects larger than 12mm in size
• Mechanical service life of 5,000,000 cycles for long-term performance
• Wide operating temperature range of -25°C to +50°C for use in harsh environments
• Light weight of 390g, so it's easy to handle and won't strain your equipment Applications • Heaters
• Industrial lighting systems
• Electric furnaces What could lead to failure of this contactor? The most common cause of failure in this contactor is contact sticking. This occurs when more current is passed to the contactor than it can handle. It's important to ensure that the supply current doesn't exceed the contactor's rated current.