> Disconnect Switches > HOOKSTICK SWITCHES C ATA LO G Hookstick Operated Disconnect Switches Reliable and Trouble Free Performers. The PBO and PBO-1, single pole, hookstick operated disconnect switches have been proven outstanding and trouble-free performers in installations all over the country. They may be used at any place on a distribution substation circuit where the utmost reliability is required. All models meet or exceed ANSI standards for this type of equipment. FEATURES • Safe, low effort opening and closing • Trussed blade allows it to be closed from angles to either side • PBO is designed to NEMA 30º temperature rise standards • PBO-1 is designed to ANSI temperature rise standards • “V” mounting configurations available SPECIFICATIONS Maximum Voltage Ratings 8.25 kV – 170 kV Continuous Current Rating 600 A & 1200 A Short Time Current (3 Sec) 25 kA & 38 kA Peak Withstand Current 65 kA & 99 kA

> Disconnect Switches > HOOKSTICK SWITCHES Hookstick Operated Disconnect Switches RATINGS (pbo) Maximum Voltage Rating (kV) Temp Rise RATINGS (pbo-1) Maximum Voltage Rating (kV) Temp Rise CONSTRUCTION CONSTRUCTION F – Hot dip galvanized, steel channel base Switch blade is hard drawn copper G – Jaw contact pressure and operating eye Operating eye: stainless steel springs: stainless steel Latch: cast bronze H – Bronze, heavy duty Belleville spring Hinge and Jaw: one piece, solid cast bronze, washers supply hinge contact pressure tinned if specified J – NEMA standard post insulators, or as E – Jaw...