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| 电机保护器 |
| 市场价: 825\920 |
| 型号: EOCR-i3DM/iFDM |
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Micro-controller unit based
■ Real time processing / High precision
■ Protections : Over current, Under current, Phase loss, Phase reversal, Stall, Jam, Current
Imbalance, Earth fault (3MZ2/FMZ2)
■ Inverse available up to 32Amps without external CTs.
■ Ancillary functions : Fail safe, Pre-alarm (3DM2/FDM2), Accumulated running hour, 3 faults
records & limitation of auto-restart.
■ Reinforced monitoring function : Monitoring distance up to 400M, 3 phase current display,
Pre-alarm (3DM2/FDM2) & Trip cause indication
■ Bar graph indication of a load current to the current setting.
■ Available application on single and 3 phase motor
■ RoHS Compliance
■ For FDM2/FMZ2, normal protections are guaranteed even if PDM is disconnected. | |
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Protective Item |
Condition & Setting range |
Operation time |
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Over-current |
Condition : Load current (In) exceeds setting current (Is)
Setting range : 0.5~60A (Def), 0.5~32A (Inv)
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Definite (Def) : 0.2~30s adjust.
Inverse (Inv) : 1~30 class |
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Under-current |
Condition : Load current (In) less than setting currentIn ≤ uc
uc should be less than oc setting
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oFF, 1~10s adjustable |
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Reverse phase (RP) |
Condition : Reversed phase sequence input on EOCR.
Enable or disable : Selectable
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Within 0.15s |
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Stall (Sc) |
Condition : In ≥ Stall current setting (Sc). Active only in motor starting
0.5~30A : 2~8 times of oc setting
~40A : 2~6 times,
~60A : 2~4 times.
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Right after D-time elapsed |
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Jam (JA) |
Condition : In ≥ Jam current setting (JA). Active only in motor running
0.5~50A : 1.5~5 times of oc setting
~60A : 1.5~4 times of oc setting
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0.3~5s adjustable |
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Imbalance (IM) |
Condition : Current imbalance ≥ Setting imbalance %
Setting range : 10~50% of imbalance
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1~10s adjustable |
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Earth fault (EF) |
Condition : EF current (Ie) exceeds setting current (Ies)
OFF, 0.03~10A
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0.05~5s adjustable
-- 3MZ2/FMZ2 only --
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Over current |
Rated setting range (A) |
Definite TCC : 0.5~60A : use external CT higher than 60A |
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Inverse TCC : 0.5~60A : use external CT higher than 32A |
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Under current |
Rated setting range (A) |
0.5A ~ less than oc setting |
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Operating time characteristics |
Definite(Def) / Inverse(Inv) |
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Time Setting |
Def |
D-time |
0~200s |
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O-time |
0.2~30s |
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Inv (cLS) |
1~30 classes |
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GF delay time (Edt) |
0~30s (3MZ2/FMZ2) |
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GF O-time (Et) |
0.05~10s (3MZ2/FMZ2) |
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Auto-reset |
0.5s~20min. |
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Reset mode |
Manual reset (H-r) / Electric reset (E-r) / Auto-reset (A-r) |
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Control power |
Voltage |
100~240VAC/DC (85% ~110%, Free voltage), 24VAC/DC ( ±5%) . |
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Frequency |
50/60Hz |
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Power consumption |
Lower than 7VA |
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Output |
Capacity |
3A/250VAC resistive. |
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Composition |
1a1b : OC or GR |
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1a : AL |
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Display |
7 segment LED |
3 phase amps, Cause of trip, Setting parameters indication. |
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Bar-graph |
Load factor. |
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Mounting |
Panel mounting (3DM2/3MZ2) |
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Flush mounting (FDM2/FMZ2) |
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Insulation |
Between case & circuit |
Over DC500V 10MΩ |
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Dielectric strength |
Between case & circuit |
2kV, 50/60Hz, I Min. |
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Between contacts |
1kV, 50/60Hz, I Min. |
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Between circuit |
2kV, 50/60Hz, 1 Min |
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Electrostatic discharge (ESD) |
IEC61000-4-2 |
Level 3 : Air discharge : ±8kV, Contact discharge : ±6kV |
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Radiated disturbance |
IEC61000-4-3 |
Level 3 : 10V/m, 80 ~ 1000MHz |
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Conducted disturbance |
IEC61000-4-6 |
Level 3 : 10V,0.15 ~ 80MHz |
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EFT/Burst |
lEC61000-4-4 |
Level 3 : ±2kV, 1 Min. |
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Surge |
IEC61000-4-5 |
Level 3 : 1.2 x 50μs, ±4kV (0°, 90°, 180°, 270°) |
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Emission |
CISPR11 |
Class A ( Conducted and radiated) |
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Environment |
Temperature |
Store |
-40°C ~ +85°C |
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Operation |
-20°C ~ +60°C |
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Humidity |
30~85% RH (Non-condensate) |
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Weight |
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3DM2 / 3MZ2 |
FDM2 / FMZ2 |
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Window type |
265g |
350g |
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Bottom hole type |
295g |
390g |
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Terminal type |
295 + 120 = 415g |
390 + 120 = 510g |
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Display (W/3M cable) |
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125g |
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Power consumption |
Less than 7VA. | | |
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| 发布时间:2008-11-27 |
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