1100W AC Power Supply for Cisco Catalyst 3560X and 3750X

Functionality and compatibility

The Cisco C3KX-PWR-1100WAC power supply provides reliable 1100 watts power in AC autoranging format, designed specifically for the Cisco Catalyst 3560-X and 3750-X series modular switches. Its main function is to power switches in business environments with high energy demand, including PoE+ (Power over Ethernet Plus) configurations and redundancy schemes for high availability. This unit is ideal for data centers, campus networks or critical facilities where service continuity and energy efficiency are required. The modular design allows replacement without the need to shut down the equipment, ensuring flexibility and uninterrupted operation.

Physical and technical characteristics.

The C3KX-PWR-1100WAC model features rugged construction, designed to Cisco industry standards. It includes a power cord retention mechanism and a secure extraction system that facilitates maintenance tasks.

• electrical entrance

  AC auto range 115–240 VAC, 50/60 Hz, approximate consumption 6–12 A.

• outlet

  56 V DC at 19.64 A, with an effective power of 1100 W.

• Thermal dissipation

  Input ≈ 1250 W (4263 BTU/h) / Output ≈ 1100 W (3751 BTU/h).

• Dimensions

  3.5 × 29.8 × 8.3 cm (height × depth × width).

• Weight

  Approximately 1.4 kg (3.0 lbs).

• Mounting

  Modular, hot-swappable with support for redundancy.

Regulations and certifications

This device complies with multiple safety and electromagnetic compatibility regulations:

• electrical safety

  UL 60950‑1, CSA-C22.2, EN60950-1, IEC60950-1.

• Electromagnetic Compatibility (EMC)

  FCC Part 15 Class A, EN55022 Class A, EN55024, VCCI Class A, AS/NZS CISPR22.

• Environmental certification

  RoHS-5, which guarantees compliance with regulations that restrict hazardous substances.

• Additional approvals

  CE, TUV/GS, CB, CCC.

Application in business environments

The Cisco C3KX-PWR-1100WAC is a robust and efficient option for powering switches in enterprise environments that require high power capacity, especially when using multiple PoE/PoE+ interfaces. Its ability to adapt to different input voltages (autoranging) makes it suitable for international deployments. Regulatory support guarantees compliance with the highest technical and environmental standards.