1494C-DJ644-A4-D-E-F

The Allen-Bradley 1494C-DJ644-A4-D-E-F Switch is an Allen-Bradley 1494C Cable-Operated Disconnect Switch. It features a switch current rating of 400 Amps, a fuse size of 400 Amps, and an IEC-rated insulation voltage of 250 Volts or 600 Volts. This disconnect switch has 1 N.O. Auxiliary Contact, a protective fuse cover, and standard size line and load lugs. It has Class J fuse clips with a 3-pole configuration and a complete kit with field-installed accessories such as a non-metallic handle, a fuse cover, a 4-foot cable, and line load lugs. The Allen-Bradley 1494C-DJ644-A4-D-E-F Disconnect Switch complies with the NFPA 79 standards by being connected to the switch throughout. Also, to enhance safety, it has a visible blade construction and "ON" and "OFF" positions on the lockable handle. The handle for the switch does not require a precise alignment, which makes installation fast and easy. The operating handles have various degrees of protection including the Non-Metallic Type 1, 3R, 4, 4X, 12 protection levels.

The Allen-Bradley 1494C-DJ644-A4-D-E-F Disconnect Switch, because it is under the Class H fuse class and it has a short circuit withstand capability rating of 200,000 Amps. It has a maximum operating altitude of 2000 meters and a maximum relative humidity level of 90% at 20 degrees Celsius (68 degrees Fahrenheit) and of 50% at 40 degrees Celsius (104 degrees Fahrenheit) in accordance with the IEC 947-1 standards. This cable-operated disconnect switch has a mechanical life of about 8000 operations and a switching frequency of about 300 operations per hour maximum. Also, the Allen-Bradley 1494C-DJ644-A4-D-E-F Disconnect Switch has an electrical life of about 6000 operations at the rated current.