CYED-3E1: three-phase current, voltage, hole size: 111 × 111mm, LED 
 CYED-3E1L: three-phase current, voltage, hole size: 68 × 68mm, LED 
 CYED-3E2: total active power, reactive power of total power, with power, reactive energy pulse output, Hole Size: 111 × 111mm, LED 
 CYED-3E2L: total active power, reactive power of total power, with power, reactive energy pulse output, Hole Size: 68 × 68mm, LED 
 CYED-3E3: 6 2-way road or single-phase AC current three-phase current, hole size: 111 × 111mm, LED 
 CYED-3E3L: 6 2-way road or single-phase AC current three-phase current, hole size: 68 × 68mm, LED 
 CYED-3E4: measuring three-phase current, phase voltage, power factor, frequency, aperture size: 111 × 111mm, LED 
 CYED-3E5: active forward, reverse, reactive power forward, reverse power, with power, reactive energy pulse output, Hole Size: 111 × 111mm, LED 
 CYED-3E5L: active forward, reverse, reactive power forward, reverse power, with power, reactive energy pulse output, Hole Size: 68 × 68mm, LED 
 CYED-3E6: three-phase current, phase voltage, active power, reactive power, power factor, frequency, active and reactive power, with power, reactive energy pulse output, optional 2-channel analog (4 ~ 20mA) output, optional digital input / output (up to 8) function, Hole Size: 111 × 111mm, LED 
 CYED-3E6L: three-phase current, phase voltage, active power, reactive power, power factor, frequency, active and reactive power, with power, reactive energy pulse output, optional 2-channel analog (4 ~ 20mA) output, optional digital input / output (up to 8) function, Hole Size: 111 × 111mm, LED 
 CYED-3E7: three-phase current, phase voltage, active power, reactive energy pulse output with, Hole Size: 111 × 111mm, LED 
 CYED-3E7L: three-phase current, phase voltage, active power, reactive energy pulse output with, Hole Size: 68 × 68mm, LED 
 CYED-3E8: three-phase current, power factor, active total energy, total energy pulse with a power output, Hole Size: 111 × 111mm, LED 
 CYED-3E8L: three-phase current, power factor, active total energy, total energy pulse with a power output, Hole Size: 68 × 68mm, LED 
 CYED-3E9: three-phase current, phase voltage, active power, reactive power, power factor, active and reactive total energy, with power, total reactive energy pulse output, Hole Size: 111 × 111mm, LED 
 CYED-3E10: three-phase current, phase voltage, active power, reactive power, power factor, the total active power, reactive power of total power, frequency, zero sequence current, hole size: 111 × 111mm, LED 
 CYED-3E11: all-electric parameters, multi-rate electricity, Hole Size: 111 × 111mm, LCD