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)