WPC offers this ALL NEW 51303940-151 Dual Fan Alarm Assembly as a replacement for the original UCN cabinet fan.

The Cabinet Fan assembly utilizes a fan health LED to indicate normal operation of both fans. Integrated reed relay contacts are closed when the 51303940-151 Cabinet Fan Assembly is operating normally. The alarm signal, represented by normally open contacts, is available at the alarm terminal block. The operation of the Cabinet Fan assembly can be monitored by a 24Vdc Digital Input FTA.

We routinely see used fans with more than 20 years of continuous operation on them, and a questionable amount of lifetime left. The brand new fans on this assembly are a high-quality, all-metal ball-bearing fans with a speed-monitoring sensor built in.

Up to four Cabinet Fan assemblies can be powered by the 120 Vac or 240 Vac provided by the four 3-pin connectors of the Standard or AC Only Power System configurations. The connectors and fuses are located at the left side of the Standard Power System backpanel and at the bottom of the AC Only Power System AC/DC Distribution assembly.

Each cabinet Fan Assembly is protected by fast-action 0.5 A fuse located on the Power System backpanel assembly. A High-Performance Process Manager cabinet can contain two individually fused Fan Assemblies. Both the early production Standard, HPM Standard, and AC Only Power System configurations provide fused circuits for four Fan assemblies.

The 230v (nominal voltage) fan for this application is 51303940-251.