... -440V, 50/60Hz, 1-3ph 0.5-5ton Electric Chain Hoist With Trolley 1. With hook suspension type. push, geared or ... fitted with safety latches as standard. Drop forged steel suspension & load hooks are heat treated and fracture resistant. In case of ... both top & bottom ends, switch off power automatically to prevent load chain from running out.Phase error relay, a specially designed ...