Hookstick Switches

Reliable, low-effort isolation and load transfer for overhead systems

Southern States hookstick switches deliver dependable performance in vertical or underhung applications, providing a versatile solution for isolation and load-transfer across utility and industrial markets.

From the cost-effective PBO-2 to the robust PBO-1 and high-voltage PBO, this product line spans ratings up to 170 kV and 3500 A, with models designed to meet or exceed ANSI electrical and mechanical standards. Available configurations support bypassing regulators or transferring loads between circuits without disrupting service.

Key Benefits:

1. Smooth, low-effort operation for safe manual switching
2. Accommodates misalignment with flexible blade deflection angles
3. Designed to either 30° temperature rise standards or ANSI temperature rise standards
4. Hard-drawn bus-grade copper blades for reliable conductivity
5. Positive latching ensures secure blade engagement
6. Broad voltage and current range, including 48.3 kV, 72 kV, and 170 kV designs
7. Backed by Southern States' 24/7 after-sales support and long-life engineering