Mô tả

 Based on MUC microcontroller (microprocessor control unit)
■ Real-time process / high precision
■ Enhanced monitoring function: monitoring distance up to 400 meters, 3-phase current display, pre-alarm (3DM2/FDM2) action reason description
■ Monitoring function: provided Communication software for use on PC
■ With overheating without current external transformer, current within 32A. Inverse time protection
■ Suitable for three-phase / single-phase motor protection
■ RoHS compliance
■ Digital setting / action cause indication and fault Exclusion
■Auto reset/reset time setting
■ For FDM2/FMZ2, normal protection is guaranteed even if PDM is disco
Protection project Setting range and conditions Action time
Overcurrent When the current value on the load exceeds the set current value:
Setting range: 0.5 to 60 A (definite time limit)
0.5 to 32 A (inverse time limit)
Time limit: between 0.2 and 30 seconds
Inverse time limit & overheating inverse time limit: 1~30 Class
Undercurrent The undercurrent set value cannot exceed or equal to the overcurrent set value when the current value on the load is lower than the set undercurrent
value.
OFF, adjusted between 1 and 10 seconds
Reverse phase This option can be used when the phase sequence reciprocal of the three-phase current is used
.
Within 0.15 seconds
Stall This value is set to several times the overcurrent set value. It is only suitable for the start-up process and its setting range can be adjusted.
0.5 to 30A: 2 to 8 times
to 40A of overcurrent setting value : 2 to 6 times
to 60A: 2 to 4 times
After D-Time time (within 0.5 seconds)
Stall This value is set to several times the overcurrent set value. It is only suitable for operation and its setting range can be adjusted.
0.5 to 50A: 1.5 to 5 times to 60A ofthe overcurrent setting value
: 1.5 to 4 times
Adjust between 0.3 and 5 seconds
Phase imbalance Condition: Current imbalance ≥ setting imbalance %
Setting range: 10 to 50% imbalance
Adjust between 1 and 10 seconds
Ground Condition: Ground current setting range when the ground current setting value is exceeded
: OFF, 0.05-10A
Adjust between 0.5 and 5 seconds
— 3MZ2/FMZ2 only —
Overcurrent Rated setting range (A) Definite time limit: 0.5~60A: More than 60A need to use external transformer
Inverse time limit: 0.5~60A: More than 32A need to use external transformer
Undercurrent Rated setting range (A) 0.5A ~ less than the OC setting
Action time characteristic Definite time/inverse time limit
time setting Definite time limit D-time 0~200 seconds
O-time 0.2~30 seconds
Inverse time limit (cLS) 1~30 classes
Ground D-time (Edt) 0~30s (3MZ2/FMZ2)
Ground O-time (Et) 0.05~10s (3MZ2/FMZ2)
Automatic reset 0.5s~20 minutes.
Reset mode Manual reset / electric reset / automatic reset
Control voltage Voltage 100~240VAC/DC (85% ~ 110%, Free voltage), 24VAC/DC (±5%).
frequency 50/60Hz
Power consumption Less than 7VA
Output capacity 3A/250VAC resistance.
structure 1a1b : OC or GR
1a : AL
display 7-segment LED 3-phase current value, ground current, trip cause, run time
Current amplitude display stick Operating current as a percentage of the set current is displayed
installation Panel Mounting (3DM2/3MZ2)
Flush mounting (FDM2/FMZ2)
insulation Between the outer casing and the line Over DC500V 10MΩ
Compressive strength Between the outer casing and the line 2kV, 50/60Hz, 1 minute.
Split grounding room 1kV, 50/60Hz, 1 minute.
Line room 2kV, 50/60Hz, 1 minute.
Electrostatic discharge (ESD) IEC61000-4-2 Discharge in air: ±8kv, terminal discharge: ±6kv
Electromagnetic radiation interference IEC61000-4-3 Third level: 10v/m, 80~1000MHZ
Electromagnetic discharge IEC61000-4-6 Third level: 10V, 0.15~80MHz
EFT/Burst lEC61000-4-4 Third level: ±2kv, 1 minute
surge IEC61000-4-5 Third level: 1.2 x 50μs, 4KV (0°, 90°, 180°, 270°)
Conducted interference CISPR11 Class A (conduction and radiation)
surroundings temperature Storage -40°C ~ 85°C
jobs -20°C ~ 60°C
humidity 30~85% RH without condensation
weight 3DM2 / 3MZ2 FDM2 / FMZ2
Window type 265g 350g
Through Bottom hole type 295g 390g
Terminal type 295 120 = 415g 390 120 = 510g
Display section (W/3M cable) 125g
Power consumption Less than 7VA.

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