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參數(shù)資料
| 型號(hào)： | H479166230 |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大?。?/td> | 65K |
| 代理商： | H479166230 |
2
Specifications are subject to change without notice (26.10.99)
H 479
Reaction time
τ
= 0.2 s, worst case reaction
time may be up to 5 x
τ
Indication for
Power supply ON
Output ON
Environment
Degree of protection
Pollution degree
Operating temperature
Storage temperature
Weight
LED, green
LED, red
(IEC 60947-1)
IP 20 B/front IP 40 D (IEC 60529)
3 (IEC 60664)
-20° to +50°C (-4° to +122°F)
-50° to +85°C (-58° to +185°F)
300 g
Mode of Operation
The relay operates when the
current is within set points
(including hysteresis) and re-
leases when the measured
current drops below/exceeds
the set points (under and over
current monitoring).
If the lower set point is set
above the upper set point,
the output relay releases and
cannot be activated before
the lower set point is set lower
than the upper set point.
Wiring Diagram
Current metering transformers
MI 5, MI 20, MI 100, MI 500.
For further information refer
to "Current Metering Trans-
formers".
Accessories
Range Setting
Range setting
Right potentiometer:
Upper limit adjustable from
10 to 100% of max. value of
4 V
p
.
Left potentiometer:
Lower limit adjustable from 8
to 98% of max. value of 4 V
p
.
Hysteresis
Approx. 1% of set point valu-
es.
Operation Diagram
Hysteresis
Hysteresis
Relay ON
μ
Power supply
H 479
PE = Term. 8
General Specifications
Upper limit
Lower limit
Power supply
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