Monitoring Relays
1-Phase True RMS AC/DC Over or Under Current
Types DIB02, PIB02
TRMS AC/DC over or under current
monitoring relays
Current measuring through external shunt or CT
Selection of measuring range by DIP-switches
Measuring ranges from 6 to 150 mV AC/DC and
0.4 to 4 V AC (MI or MP range)
p
Adjustable current on relative scale
Adjustable hysteresis on relative scale
Adjustable delay function (0.1 to 30 s)
Programmable latching or inhibit at set level
Output: 8 A SPDT relay N.D. or N.E. selectable
For mounting on DIN-rail in accordance with
DIN/EN 50 022 (DIB02) or plug-in module (PIB02)
DIB02 PIB02
22.5 mm Euronorm housing (DIB02)
or 36 mm plug-in module (PIB02)
LED indication for relay, alarm and power supply ON
Galvanically separated power supply
Product Description Ordering Key
DIB 02 C B23 150mV
DIB02 and PIB02 are pre- Owing to the built-in latch Housing
cise TRMS AC/DC over or function, the ON-position of Function
under current (selectable by the relay output can be Type
DIP-switch) monitoring maintained. Inhibit function Item number
relays. can be used to avoid relay Output
The current is measured operation when not desired Power supply
through an external shunt. (maintenance, transitions). Range
1-phase and 3-phase cur- The LED's indicate the state
rent up to 500 AAC can be of the alarm and the output
monitored connecting MI or relay.
MP current transformers.
Type Selection
Mounting Output Supply: 24 to 48 VAC/DC Supply: 115/230 VAC
DIN-rail SPDT DIB 02 C D48 150MV DIB 02 C B23 150MV
Plug-in SPDT PIB 02 C D48 150MV PIB 02 C B23 150MV
Input Specifications
Input (voltage level) Note:
DIB02 Terminals Y1, Y2 MP3... current transformers
PIB02 Terminals 5, 7 not suitable for under cur-
rent measurement due to
Measuring ranges
the output signal of the
Direct Internal resis. Max. volt.
device (see data sheet)
Selectable by DIP-switch
6 to 60 mV AC/DC 1 k 2 V Contact input
15 to 150 mV AC/DC 1 k 2 V DIB02 Terminals Z1, Y1
Max. voltage for 1 s 15 V PIB02 Terminals 8, 9
0.4 to 4 V AC 50 k 50 V Disabled > 10 k
p
Max. voltage for 1 s 100 V Enabled < 500
Latch disable > 500 ms
MI and MP CT ranges AAC rms Max. curr.
1-ph.: 3-ph.:
MI 5 MP 3005 0.5 to 5 A 20 AAC
MI 20 MP 3020 2 to 20 A 50 AAC
MI 100 MP 3100 10 to 100 A 250 AAC
MI 500 MP 3500 50 to 500 A 750 AAC
Note:
The input voltage cannot
raise over 300 VAC/DC with
respect to ground (PIB02 only)
Specifications are subject to change without notice (07.02.08) 1DIB02, PIB02
Output Specifications General Specifications
Power ON delay 1 s 0.5 s or 6 s 0.5 s
Output SPDT relay
Rated insulation voltage 250 VAC
Reaction time (input signal variation from
Contact ratings (AgSnO) -20% to +20% or from
2
Resistive loads AC 1 8 A @ 250 VAC +20% to -20% of set value)
DC 12 5 A @ 24 VDC Alarm ON delay < 100 ms
Small inductive loads AC 15 2.5 A @ 250 VAC Alarm OFF delay < 100 ms
DC 13 2.5 A @ 24 VDC
Accuracy (15 min warm-up time)
6
Temperature drift 1000 ppm/C
Mechanical life 30 x 10 operations
Delay ON alarm 10% on set value 50 ms
5
Electrical life 10 operations
Repeatability 0.5% on full-scale
(at 8 A, 250 V, cos = 1)
Indication for
Operating frequency 7200 operations/h
Power supply ON LED, green
Dielectric strength
Alarm ON LED, red (flashing 2 Hz
Dielectric voltage 2 kVAC (rms)
during delay time)
Rated impulse withstand volt. 4 kV (1.2/50 s)
Output relay ON LED, yellow
Environment (EN 60529)
Degree of protection IP 20
Supply Specifications
Pollution degree 3 (DIB02), 2 (PIB02)
Operating temperature -20 to 60C, R.H. < 95%
Power supply Overvoltage cat. III
Storage temperature -30 to 80C, R.H. < 95%
Rated operational voltage (IEC 60664, IEC 60038)
Housing
through terminals:
Dimensions DIB02 22.5 x 80 x 99.5 mm
A1, A2 or A3, A2 (DIB02)
PIB02 36 x 80 x 94 mm
2, 10 or 11, 10 (PIB02)
Weight Approx. 150 g
D48: 24 to 48 VAC/DC 15%
Screw terminals
45 to 65 Hz, insulated
Tightening torque Max. 0.5 Nm
B23: 115/230 VAC 15%
acc. to IEC 60947
45 to 65 Hz, insulated
Approvals UL, CSA
Dielectric voltage DC supply AC supply
CE Marking Yes
Supply to input 2 kV 4 kV
EMC Electromagnetic Compatibillity
Supply to output 4 kV 4 kV
Immunity According to EN 61000-6-2
Input to output 4 kV 4 kV
Emission According to EN 61000-6-3
Rated operational power
AC 4 VA
DC 3 W
Mode of Operation
DIB02 and PIB02 monitor exceeds (or drops below) Example 2 (MI CT) rent measurement)
both AC and DC over or the set level for more than (no connection between ter- The relay operates when the
under current through an the set delay time. minals Z1, Y1 or 8, 9 - latch maximum current flowing in
external shunt. Provided that the current function disabled) the CT exceeds the set level
has dropped below (or has The relay operates when the for more than the set delay
When connected with MI or exceeded) the set point (see current flowing in the CT time.
MP current transformer hysteresis setting), the relay exceeds (or drops below) It releases when the maxi-
(using the 0.4 to 4 V range) releases when the intercon- the set level for more than mum current drops below
p
they can monitor 1-phase or nection between terminals the set delay time. the set level (see hysteresis
3-phase AC current up to Z1, Y1 or 8, 9 is interrupted It releases when the current setting) or when power sup-
500 A. or the power supply is inter- drops below (or exceeds) ply is interrupted.
rupted as well. the set level (see hysteresis
Example 1 The red LED flashes until the setting) or when power sup- Note
(connection between termi- delay time has expired or ply is interrupted. When the inhibit contact is
nals Z1, Y1 or 8, 9 - latching the measured value comes opened, if the input signal is
function enabled) back to a non-alarm value Example 3 (MP CT) already in alarm position, the
The relay operates and (see hysteresis setting). (no connection between ter- delay time needs to elapse
latches in operating position minals Z1, Y1 or 8, 9 - latch before relay activation.
when the measured value function disabled - over cur-
2 Specifications are subject to change without notice (07.02.08)