Specifications:

Type: Heavy Duty Safety
AC Voltage Rating: 480/600 Volt
DC Voltage Rating: 250 V
Current Rating: 30 Ampere
Power Rating: 3 HP at 480/600 Volt AC 1-Phase (Time Delay Fuse), 7-1/2 HP at 480 Volt AC (Non-Time Delay Fuse), 5 HP at 480 Volt AC 3-Phase (Time Delay Fuse), 15 HP at 480 Volt AC (Non-Time Delay Fuse), 10 HP at 600 Volt AC 1-Phase (Non-Time Delay Fuse), 7-1/2 HP at 600 Volt AC 3-Phase (Time Delay Fuse), 20 HP at 600 Volt AC 3-Phase (Non-Time Delay Fuse), 5 HP at 250 Volt DC
Number of Poles: 3
Number of Wires: 3
Fuse Provision: Fusible
Fuse Type: Class H/J/R, Time Delay
Neutral Type: No
Enclosure: NEMA 1
Size: 9.01 Inch Width x 10.17 Inch Depth x 15.45 Inch Height
Enclosure Material: Steel
Approval: UL