PWR-C2-640WAC= is a Cisco Catalyst Switch 3650 Series Switch Power Supply, delivering 640W AC power for Cisco 3650 switches. Notice that PWR-C2-640WAC= is similar with PWR-C2-640WAC, except that PWR-C2-640WAC= is a spare one. Both of them deliver the same function and same price.
Quick Spec
Table 1.
| Product Code | PWR-C2-640WAC= |
| Maximum output power | 640 W |
| Input voltage range and frequency | 640 W, 100 to 240 VAC (autoranging), 50 to 60 Hz |
| Input current | 8ā4 A |
| Output ratings | +12 V @ 20.83 A, ā54 V@7.36 A |
| Total input BTU | 2371 BTUs per hour, 695 W |
| Total output BTU | 2183 BTUs per hour, 640 W |
| Storage temperature | ā40 to 158° F (ā40 to 70° C) |
| Relative humidity | 5 to 96% (noncondensing) |
| Altitude | AC power supply: Up to 16,400 feet (5,000 m) |
| Net Weight | 3.1 lb (1.41 kg) |
| Physical Specifications: Dimensions (H x W x D) | 1.58 x 3.75 x 11.75 in. (4.0 x 9.5 x 29.8 cm) |
Product Details
Figure 1. PWR-C2-640WAC can be installed in the Catalyst 3650 switch Chassis.

Compatible Products
Table 2. Recommended Compatible Switches.
Compare to Similar Item
Table 3. Comparison of similar item.
| Product Code | PWR-C2-640WAC= | PWR-C2-1025WAC= |
| Maximum output power | 640 W | 1025W |
| Input voltage range and frequency | 640 W, 100 to 240 VAC (autoranging), 50 to 60 Hz | 1025-W, 115 to 240 VAC (autoranging) 50 to 60 Hz |
| Input current | 8ā4 A | 12ā6 A |
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