They are devices designed to ensure the safe operation of sensitive devices by isolating the secondary side from the primary voltage.

TECHNICAL SPECIFICATIONS

Rated Power (VA) (at 50°C):25

Short-Term Power (VA):51

Weight(kg): 1

Terminal Diameter: 4 mm2

A(mm):66

B(mm): 76

C(mm):80

D(mm):50

E(mm):64

F(mm): 80

H(mm): 5*8