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 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 having to turn off the equipment, guaranteeing flexibility and uninterrupted operation.

Physical and technical characteristics

The C3KX-PWR-1100WAC model features robust construction, designed to Cisco industry standards. It includes a retention mechanism for the power cable and a safe extraction system that facilitates maintenance tasks.

• electrical entry

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

• electrical 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 lb).

• 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 restricting 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 ensures compliance with the highest technical and environmental standards.