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化工儀器網>產品展廳>常用儀表>自動化儀表>其它自動化儀表>EOCR-3DM2 低價供應韓國EOCR-3DM2電機保護器

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EOCR-3DM2 低價供應韓國EOCR-3DM2電機保護器

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大連大榮測控技術開發有限公司成立于1996年,是一家專業經營韓國工控自動化產品的營銷機構,自成立以來為中國自動化產業發展做出了*貢獻,成功地將韓國Autonics (奧托尼克斯)品牌引進中國。 公司主要從事工業自動化領域的推廣和技術服務。自一九九六年成立以來,憑借科學的經營,完善的技術服務和優質的管理,吸引了眾多韓國自動化企業的注目,并先后與Autonics (奧托尼克斯)、KOINO建興、HANYOUNG韓榮、Pownix(普力士)、DAYANG大洋、EOCR三和、FOX(大成)、KACON凱昆、WOONYOUNG云永等韓國企業建立了合作關系,成為這些公司在中國壟斷或*代理商。 “立存久遠,誠信永恒”是大榮公司的服務宗旨。公司所代理的韓國工控產品行銷全國各地,銷售量連續多年位居中國地區前列,在全國范圍內享有很高榮譽。 公司不斷拓展銷售網絡,先后成立了青島分公司(青島科瑞爾電子有限公司)、天津辦事處、沈陽辦事處。為建立及時交貨的營銷體系而努力。 大榮公司將在今后的發展中繼續弘揚“立存久遠,誠信永恒”的宗旨,更加努力地滿足顧客的需求,并熱誠希望全國的廣大客戶一如既往的繼續關懷和支持大榮公司。

接近開關、光電開關、電機保護器、溫濕度傳感器、面板表、旋轉編碼器、計數器、壓力傳感器、水位繼電器等

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.
         
 
 

Protective Item

Condition & Setting range
Operation time
Over-current
Condition : Load current (In) exceeds setting current (Is)
Setting range : 0.5~60A (Def), 0.5~32A (Inv)
 
Definite (Def) : 0.2~30s adjust.
Inverse (Inv) : 1~30 class
Under-current
Condition : Load current (In) less than setting currentIn ≤ uc
uc should be less than oc setting
 
oFF, 1~10s adjustable
Reverse phase (RP)
Condition : Reversed phase sequence input on EOCR.
Enable or disable : Selectable
 
Within 0.15s
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.
 
Right after D-time elapsed
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
 
0.3~5s adjustable
Imbalance (IM)
Condition : Current imbalance ≥ Setting imbalance %
Setting range : 10~50% of imbalance
 
1~10s adjustable
Earth fault (EF)
Condition : EF current (Ie) exceeds setting current (Ies)
OFF, 0.03~10A
 
0.05~5s adjustable
-- 3MZ2/FMZ2 only --
 

 

 
 
Over current
Rated setting range (A)
Definite TCC : 0.5~60A : use external CT higher than 60A
Inverse TCC : 0.5~60A : use external CT higher than 32A

Under current

Rated setting range (A)

0.5A ~ less than oc setting

Operating time characteristics
Definite(Def) / Inverse(Inv)

Time Setting

Def
D-time
0~200s
O-time
0.2~30s
Inv (cLS)
1~30 classes
GF delay time (Edt)
0~30s (3MZ2/FMZ2)
GF O-time (Et)
0.05~10s (3MZ2/FMZ2)
Auto-reset
0.5s~20min.
Reset mode
Manual reset (H-r) / Electric reset (E-r) / Auto-reset (A-r)

Control power

Voltage
100~240VAC/DC (85% ~110%, Free voltage), 24VAC/DC ( ±5%) .
Frequency
50/60Hz
Power consumption
Lower than 7VA

Output

Capacity
3A/250VAC resistive.
Composition
1a1b : OC or GR
1a : AL
Display
7 segment LED
3 phase amps, Cause of trip, Setting parameters indication.
Bar-graph
Load factor.
Mounting
Panel mounting (3DM2/3MZ2)
Flush mounting (FDM2/FMZ2)
Insulation
Between case & circuit
Over DC500V 10MΩ
Dielectric strength
Between case & circuit
2kV, 50/60Hz, I Min.
Between contacts
1kV, 50/60Hz, I Min.
Between circuit
2kV, 50/60Hz, 1 Min
Electrostatic discharge (ESD)
IEC61000-4-2
Level 3 : Air discharge : ±8kV, Contact discharge : ±6kV
Radiated disturbance
IEC61000-4-3
Level 3 : 10V/m, 80 ~ 1000MHz
Conducted disturbance
IEC61000-4-6
Level 3 : 10V,0.15 ~ 80MHz
EFT/Burst
lEC61000-4-4
Level 3 : ±2kV, 1 Min.
Surge
IEC61000-4-5
Level 3 : 1.2 x 50μs, ±4kV (0°, 90°, 180°, 270°)
Emission
CISPR11
Class A ( Conducted and radiated)
Environment
Temperature
Store
-40°C ~ +85°C
Operation
-20°C ~ +60°C
Humidity
30~85% RH (Non-condensate)
Weight
3DM2 / 3MZ2
FDM2 / FMZ2
Window type
265g
350g
Bottom hole type
295g
390g
Terminal type
295 + 120 = 415g
390 + 120 = 510g
Display (W/3M cable)
125g
Power consumption
Less than 7VA.



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