Shell, all with ABS shell are fuel materials manufacturing, flame retardant resistance fits UL 94 V0 standards.
Insulation class: Grade E.
Environmental temperature 20: -+ 45.
Storage temperature: To + 80
Test voltage: 4 Kv 50 Hz AC 1 min
Working frequency: 50 Hz AC / 60 Hz AC
Two times rated current: 5 A or 1 A

Rated load: 1 VA 1.5 2.5 3.75 VA 5 VA VA VA 7.5 VA 10 VA 12.5 VA 15 VA 20 VA 30 VA 45 VA 60 VA precision level: 0.5 magnitude for accurate measurements (such as electricity meter) 1.0 magnitude used for general distributor instrument measurement, 3.0 magnitude for the accurate measurement requirements.

link; Secondary wiring the two terminals each have a connection point, use the M4 or the M5 screw fastening.
Accessories: Terminal protective cover for electric power department, the operation DIN57106 nut with standard VGB4 protection.
Installation support: Screw and holding a converge-wires installation used to tighten.