Electronic measuring and monitoring relays - BENDER - #10

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Text version of the page
BEBENDER
Device selection
Voltage relays for AC and DC systems
NEW
NEW
Voltage relays are designed to monitor the undershoot and overshoot of one or several response values. The devices can be used for both AC and DC systems.
Type
■I VME420 ■
VME421H
System voltage
AC
WZ
x
DC
X
x
Function
Undervoltage
__
Overvoltage
__
Undervoltage/overvoltage
WZ
Frequency
x
Preset function
WZ
x
Password protection
x
History memory (first alarm value)
WZ
X
x
Supply voltage
Range of Us
DC 9.6.. .94 V, AC 16.. .72 V, AC/DC 70.. .300 V
without
Measuring circuit
Measuring range/nominal system voltage Un
AC/DC 0...300 V True r.m.s.
AC/DC 9.6.. .150 V, 70.. .300 V True r.m.s.
Response values U
AC/DC 6...300 V
AC/DC 9.6...150, 70...300 V
Rated frequency
wz
DC, 15...460 Hz
DC, 15...460 Hz
Hysteresis U approx.
1...40%
1.. .40 %
Operating time U
WZ
AC 42...460 Hz < 70 ms / DC < 130 ms
AC 42...460 Hz < 70ms / DC < 130 ms
Integrated energy backup
x
Response delay
WZ
0...99s
0...99s
Start-up delay/delay on release
0...99 s
0...99 s
Operating elements - alarm LEDs
Power On LED
wz
Alarm LED
__
Alarm LED undervoltage
^^^^^^^^|x (&frequency)
x (& frequency)
Alarm LED overvoltage
x (& frequency)
x (& frequency)
Operating elements - switches/buttons
Undervoltage/overvoltage
WZ
__
AC/DC switches
__
TEST / RESET / MENU
TEST / RESET / MENU
Operating elements - potentiometer
x
Voltage
__
Undervoltage
wz
__
__
Response delay
wmz
__
Hysteresis
__
__
Switching elements
Number
WZ
^^^^|2 x 1 changeover contacts programmable
2 x 1 changeover contacts programmable
Operating mode
N/O or N/C operation*
N/O or N/C operation*
Enclosure
Enclosure dimensions in mm (H x W x D)
WZ
90 x 36 x 70.5
90 x 36 x 105.5
Accessories
Mounting clip
Mounting clip
■ Chapter 3.1 - Page 24 - 27 ■
Chapter 3.1 - Page 28 - 31
"configurable
Main catalogue part 3 - 06.2007 / Electronic measuring and monitoring relays
10

pageCatalog pdf di En 2012-05-22-28