Broyce Control Ltd., Pool Street, Wolverhampton, West Midlands WV2 4HN. England
Telephone: +44 (0) 1902 773746 Facsimile: +44 (0) 1902 420639 Email: sales@broycecontrol.com Web: http://www.broycecontrol.com
The information provided in this literature is believed to be accurate (subject to change without prior notice); however, use of such information shall be entirely at the user’s own risk.
ELRV30-2-A RMS
012366 Page 1 of 2
•
CONNECTION DIAGRAM
14
1
standard
output
positive safety
output
te
s
t
re
s
e
t
A1 (+ve)
A2 (-ve)
Fault level output*
(i.e. lamp)
2
3
5
7
9
11 13
4
6
8
10 12
toroid
5
0
m
*
m
a
x
.
50m* max.
L1
L2
L3
N
E
Note: The voltage
across the fault level
output MUST NOT
exceed 240V~ (For
400V~ units used in
3-Phase installations,
connect the load between
terminal 2 and neutral)
The Earth MUST NOT pass through
the toroid.
For single phase applications, only the live
and neutral need to be passed through the
toroid.
*Cabling:
For distances >1m, use twisted pair cable between
the unit and toroid. Always ensure cables to toroid
and remote test / reset switches ARE KEPT AWAY
from mains and data cables in the same installation.
Both relays are shown
in the de-energised state
(i.e. where power is not
present on terminals 1 and 3)
E
* Only available on AC supply models
Type: ELRV-30
True RMS Earth Leakage Relay (Variable) - Type A
q
70mm DIN rail housing
q
Designed to monitor and detect true RMS, earth fault currents (up to 30A) in conjunction with a separate toroid
q
Fast response time of <25mS
1
to fault currents that are 5 x greater than the set trip current
q
Digital LED Display shows measured leakage current, various user settings and diagnostics
q
Microprocessor controlled with internal monitoring (self-checking)
q
Sensitivity (I
∆
n) and time delay (
∆
t) adjustable using simple 2-button operation
q
“Display” push button allows user to view settings without needing to open the tamperproof cover. The “last recorded” peak
trip current can also be recalled using the same push button
q
Single button operation for “Test / Reset” and connection facility for remote “Test” and “Reset” push buttons
q
Connection for remote lamp facility warning user prior to a trip condition (level adjustable by user)
q
Toroid open and short circuit detection (unit forced to trip during open circuit condition)
q
2 x SPDT relay output 8A. LED indication of user settings / fault condition after unit has tripped
1
“inst.” time delay setting / fault current <30A
Dims:
to DIN 43880
W. 70mm
•
TECHNICAL SPECIFICATION
Supply voltage Un (1, 3):
12 – 60V DC (85 – 115% of U)
24, 115, 230, 400V AC (85 – 115% of Un)
Galvanic isolation between the supply and the toroid and
remote test / reset connections on AC supply versions.
Supply frequency:
50/60/400Hz (AC supplies)
Isolation:
Over voltage cat. III
Rated impulse
withstand voltage:
(1.2 / 50
µ
S) IEC 60664
800V (24V AC supply
2.5kV (115V AC supply)
4kV (230V, 400V AC supplies)
Power consumption (max.): 6VA (AC supplies), 5W (DC supply)
Monitored leakage current: 2mA to 30A (50/60/400Hz)(through external toroid with
1000:1 ratio and connected to terminals 11 and 13)
Sensitivity I
∆
n:
6, 10, 30, 50, 75, 100, 300, 500, 750mA
1, 3, 5, 7.5, 10, 15, 20, 25, 30A (user selectable)
Trip level:
75% of I
∆
n (nominal)
Hysteresis:
8% of I
∆
n or 2mA, whichever greater
Accuracy:
±
15% (valid range 10 …. 110% of I
∆
n or 2mA,
whichever greater)
Time delay
∆
t:
inst., 50, 250, 500mS, 1, 2.5, 5, 10 sec. (user selectable)
Note: For I
∆
n settings of 30mA or less, the time delay is fixed
to inst. (instantaneous, <25mS) and is not adjustable.
Measured current:
Displayed on auto ranging 2 digit 7-segment red LED display
Display Resolution:
100uA min.
Reset time:
<200mS (from supply interruption)
Power on delays:
Self test duration: <5 secs.
(from application of supply Delay before P.S.O. relay energises “td”: 600mS (Note: relay
to terminals 1 and 3)
will energise during self test period assuming no fault present)
Memory:
storage of the leakage fault and reset with “test / reset” button
Ambient temp:
-5 to +60
°
C
-5 to +40
°
C (in accordance with IEC 755)
Relative humidity:
+95%
Output :
2 x SPDT relay (4, 6, 8 / 10, 12, 14)
Output rating:
AC1
250V 8A (2000VA)
AC15
250V 2.5A
DC1
25V 8A (200W)
Electrical life:
≥
150,000 ops at rated load
Dielectric voltage:
2kV AC (rms) IEC 60947-1
Rated impluse
withstand voltage:
4kV (1.2 / 50
µ
S) IEC 60664
Remote “test” / “reset”
(5, 7, 9)
Requires two N.O. contacts. (i.e. push buttons)
Contact closure time:
>100mS
Fault level output (1, 2):
50% of I
∆
n (factory set)
User adjustable from 10 - 65% in 5% increments
Hysteresis:
8% of I
∆
n or 2mA, whichever greater
Load (resistive):
40mA max. @ 240V
Note: A remote lamp can only be connected when terminals 1
and 3 are being supplied with an AC supply
Housing:
Grey flame retardant Lexan UL94 VO
Weight:
≈
250g (AC supplies),
≈
170g (DC supply)
Mounting option:
On to 35mm symmetric DIN rail to BS5584:1978
(EN50 002, DIN 46277-3)
Terminal conductor size:
≤
2.5mm
2
stranded.
≤
4mm
2
solid
Approvals:
Conforms to: IEC 755. IEC 61543 (EMC)
Radiated Immunity: IEC 61000-4-3: 1.89GHz @ 30V/m
and
pending.
CE
and Compliant.
•
Options
For other supply voltages, alternative trip levels or time delays, please consult the sales office.
•
Accessories – Toroids
Toroid Type:
Internal diameter:
I
∆
n (min.) A
BZCT035
35mm
∅
0.03
BZCT070
70mm
∅
0.03
BZCT120
120mm
∅
0.1
BZCT210
210mm
∅
0.3
Note:
( ) Numbers in brackets shown above refer to terminal numbers on the relay housing.
•
FUNCTION DIAGRAM
Standard
output
fault
current
failure of connection
to toroid
"reset"
"test"
supply
interrupted
Trip level (I n)
∆
Positive safety
output
∆
t
(combined test/reset button pressed)
Reset level
td
td
Terminal Protection to IP20
•
INSTALLATION
•
BEFORE INSTALLATION, ISOLATE THE SUPPLY.
•
Connect the unit as shown in the diagram below (N.B. certain features may not be required and
therefore do not need to be connected).
•
Operational and setting information can be found on the reverse of this data sheet.
This unit should be installed in conjunction with the latest wiring regulations and practices (IEE, etc)
•
MOUNTING DETAILS
Insert screwdriver
to release clip
4
9
.5
3
3
6
3
.5
45
85
Installation work must be carried
out by qualified personnel.
Please state Supply
voltage when ordering.
