Fournisseurs en Gros d'Alimentations & Modules de Puissance
Approvisionnez en gros alimentations à découpage, convertisseurs AC/DC, modules DC-DC, alimentations sur rail DIN, modules UPS et chargeurs de batterie auprès de fabricants vérifiés sur Towobo. Le marché mondial des alimentations dépasse 40 milliards d'USD.
Prêt à sourcer en gros ?
Des milliers d'acheteurs s'approvisionnent auprès de fournisseurs vérifiés sur Towobo.
Trouver des fournisseurs en gros sur Towobo →Power supply types and key specifications
Power supply products for wholesale sourcing: AC/DC switching power supplies (SMPS) — convert mains AC (85–265VAC universal input) to regulated DC output (3.3V, 5V, 12V, 24V, 48V or adjustable); available in open-frame, enclosed chassis, desktop, and DIN rail mount formats; key specs: output power (watts), output voltage/current, efficiency rating, input voltage range, hold-up time, protection features (OCP, OVP, SCP, OTP), cooling (natural convection vs forced air), and MTBF; DC-DC converter modules — step-down (buck), step-up (boost), and buck-boost converters in module form for board-level power conversion; isolated and non-isolated variants; key module manufacturers include RECOM, Mornsun, Cincon, Mean Well, and Chinese commodity DC-DC module manufacturers; DIN rail power supplies — 24VDC rail-mount PSUs for industrial control panels (DIN 35mm rail) — the standard format for PLCs, I/O modules, and industrial automation; major suppliers include PULS (Germany), Mean Well (Taiwan), Phoenix Contact (Germany), Siemens (Germany), Omron (Japan), and many Chinese manufacturers (Mornsun, MEAN Well China); UPS modules — uninterruptible power supply modules for critical load backup, including online double-conversion, line-interactive, and offline standby topologies; and battery charger circuits — for lead-acid, lithium, and NiMH batteries in industrial, EV, and consumer applications.