53 Spec-Setter™ 3-Pole General-duty safety switch is rated at 240-Volt AC and 30-Amps. Non-fusible switch accommodates aluminum conductors of size 12 - 8-AWG and accommodates copper conductors of size 14 - 8-AWG. It has maximum load capacity of 3 hp at 240-Volt AC and 5 hp at 250-Volt DC. It operates at the frequency rating of 50/60-Hz. It measures 9.8-Inch x 6.4-Inch x 3.3-Inch. Switch is suitable for using as service equipment when installed in accordance with the National Electrical Code. It involves quick-make and quick-break mechanism.