WP4 Weather Proof Isolator Switch are electrical components designed to withstand rain, moisture, and other environmental factors. They are often used in outdoor lighting, industrial applications, construction sites, and other situations where they are exposed to the elements.
| 20A | 35A | 63A | |
| 1P | WP1-1 20 | WP1-1 35 | WP1-1 63 |
| 2P | WP1-2 20 | WP1-2 35 | WP1-2 63 |
| 3P | WP1-3 20 | WP1-3 35 | WP1-3 63 |
| 4P | WP1-4 20 | WP1-4 35 | WP1-4 63 |
