Appearance: there are F4 shell, R2 shell.
Circuit structure and open circuit mode: constant circuit contact, secondary current circuit breaker.
Rated current: AC5A.
Rated frequency: 50/60Hz (switching).
Current adjustment range: time limit elements: 3-3.5-4-4.5-5-6A, 6 shunt;
Instantaneous elements: 20-30-40-50-60A-, 6 shunt.
Action time: time limit element time to adjust the degree 0.25-0.5-1-2-3-4-5-6-7-8-9-10,
12 nominal action time to adjust the scale of 10300% over current, 10s plus or minus 5%,
700% over current, 1
H7EC-NFV52s plus or minus 7%; instantaneous elements, nominal action time 200% over current 40ms.
Control power supply: do not.
Rated consumption VA:6VA.
Contact capacity: AC12V, 60A (CT secondary current) 100 times; AC20V, 100A (CT secondary current) 3 times.
Contact: AC110V, 7.5A, COS with =0.4; (AC250V 825VA)
DC24V, 5A, L/R=7ms (maximum 50W time DC125V).
Automatic experiment: No.
Display: start display (LED), after the time display (LED).
Output display, trip (R phase and T phase) manual reset type, instant manual reset type.
Excitation surge current suppression (fuzzy inference): -.
Quality: about 1.3KG (R2 shell), about 1.8kg (F1 shell), about 3.3kg (D2 shell).
External: Mount Searl N1.5.
Static type over current relay K2CA-D type, attention to the protection of the coordination of static type OCR.
The protection coordination between OCR and MCCB is simple.
1 sets of three-phase protection, can save space and manpower.
Compared with the plate movement start display, through time display, make maintenance and inspection becomes simple.
The display of the accident occurrence phase is used to facilitate the inspection after the accident.
Reduce the consumption of VA, reduce the burden of converter. Case color: Black.
Lighting method: LED; 24 VDC.
Display color symbol: R.O.G.W.
Large Rectangular-bodied Indicators.
Excellent illumination with even surface brightness.
Three-color models (green, orange, red; chameleon lighting),
included in lineup. Contact type: Microload (125 VAC, 0.1 A; 30 VDC 0.1 A).
Operation: Momentary operation (Self-resetting).
Output: SPDT.
Lighting: LED, 24 VDC.
Operation Unit color symbol: Enter the desired color symbol for the Pushbutton
n @. R (Red); Y (Yellow); G (Green); A (Blue); W (White).
Pushbutton Switch Series with.
Square 40-mm Body.
Combines miniature design with distinct but soft sense of operation.
Easy panel mounting from the front and simple lamp replacement.
without tools.
H7EC-NFV Operation manual / Instructions / Catalog download link:
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