markdown## Delta Electronics ESR-48/56B-G Rev 02 Telecom Rectifier Power Supply ModuleUp for sale are high-efficiency, commercial-grade Delta Electronics telecom rectifier modules (Model: ESR-48/56B-G, Revision 02). These units are engineered for robust 24/7 continuous infrastructure use and are popular for telecom maintenance, server racks, or high-power custom DC projects (such as heavy-duty RC charging systems, ham radio setups, or custom bench power setups).### Technical Specifications:
* **Manufacturer:** Delta Electronics Inc.
* **Model / Product Code:** ESR-48/56B-G (Revision 02)
* **Max Output Power:** Up to 2700 Watts (Input dependent)
* **DC Output:** 54V Nominal DC (Adjustable/compatible with 48V infrastructure architectures)
* **Max Output Current:** ~53.7 Amps
* **AC Input Requirements:**
* High-line: 200–240V ~ 16A, 50/60Hz (For full 2700W output capacity)
* Low-line: 100–164V ~ 16.5A, 50/60Hz (Operates at a de-rated lower output capacity)### Item Condition & Inventory Notes:
* **Quantity Available:** 4 units total. Listing price is per unit. Bulk pricing discount applies if purchasing multiple modules together!
* **Physical Condition:** Good cosmetic condition with normal signs of handling/surfaces scuffs from rack storage.
* **Connection Type:** Features a rear blind-mate card-edge blade interface connector typical for proprietary telecom hot-swap power shelves.### Shipping & Handling:
* Securely packaged with static protection and heavy bubble wrapping to prevent transport damage.
* Prompt shipping with tracking provided