Monitoring Relays 1-Phase True RMS AC Over or Under Current Type DIB01 100A TRMS AC over or under current monitoring relay Current measuring through built-in current transformer Selection of measuring range by DIP-switches Measuring ranges from 2 A to 100 A AC 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 22.5 mm Euronorm housing LED indication for relay, alarm and power supply ON Galvanically separated power supply Product Description Ordering Key DIB 01 C M24 100A DIB01 is a precise TRMS AC operation when not desired Housing over or under current (maintenance, transitions). Function (selectable by DIP-switch) The LED s indicate the state Type monitoring relay. of the alarm and the output Item number Owing to the built-in latch relay. Through the built-in Output function, the ON-position of current transformer it is pos- Power supply the relay output can be sible to monitor loads up to Measuring range maintained. Inhibit function 100 A AC. can be used to avoid relay Type Selection Mounting Output Measuring range Supply: 24 VDC and 24 to 240 VAC DIN-rail SPDT 2 to 100 A AC DIB 01 C M24 100A Input Specifications Input (current level) Contact input DIB01 100A Built-in current transformer DIB01 Terminals A1, Y1 Disabled Open Measuring ranges Enabled < 10 k Selectable by DIP-switch Max current Latch disable > 500 ms 2 to 20 A AC 120 A 5 to 50 A AC 120 A 10 to 100 A AC 120 A Max. current for 30 s 250 A Max. current for 1 s 2000 A Supply Specifications Output Specifications Output SPDT relay Power supply Overvoltage cat. III Rated insulation voltage 250 VAC Rated operational voltage (IEC 60664, IEC 60038) through terminals: Contact ratings (AgSnO2) A1, A2 24 VDC - 15% +10% Resistive loads AC 1 8 A 250 VAC 24 to 240 VAC 15% DC 12 5 A 24 VDC 45 to 65 Hz Small inductive loads AC 15 2.5 A 250 VAC DC 13 2.5 A 24 VDC Dielectric voltage 6 Supply to input 4 kV Mechanical life 30 x 10 operations Supply to output 4 kV 5 Electrical life 10 operations Input to output 4 kV (at 8 A, 250 V, cos = 1) Rated operational power Operating frequency 7200 operations/h DC 1 W Dielectric strength AC 1 W / 35 VA Dielectric voltage 2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 s) Specifications are subject to change without notice (19.05.10) 1DIB01 100A General Specifications Power ON delay 1 s 0.5 s or 6 s 0.5 s Housing Dimensions 22.5 x 80 x 99.5 mm Reaction time Material PA66 or Noryl Alarm ON delay < 100 ms Alarm OFF delay < 100 ms Weight Approx. 155 g Accuracy (15 min warm-up time) Screw terminals Temperature drift 500 ppm/C Tightening torque Max. 0.5 Nm Delay ON alarm 10% on set value 50 ms acc. to IEC 60947 Repeatability 0.5% on full-scale Product standard EN 60255-6 Indication for Approvals UL, CSA Power supply ON LED, green CE Marking L.V. Directive 2006/95/EC Alarm ON LED, red (flashing 2 Hz EMC Directive 2004/108/EC during delay time) EMC Output relay ON LED, yellow Immunity According to EN 60255-26 Environment (EN 60529) According to EN 61000-6-2 Degree of protection IP 20 Emissions According to EN 60255-26 Pollution degree 3 According to EN 61000-6-3 Operating temperature -20 to 60C, R.H. < 95% Storage temperature -30 to 80C, R.H. < 95% Mode of Operation DIB01 monitors AC over or the set level for more than Example 2 power supply is interrupted. under current through an the set delay time. Provided (no connection between ter- internal current transformer. that the current has dropped minals A1, Y1 - latch func- Note below (or has exceeded) the tion disabled - Relay ND) When the inhibit contact is Example 1 set point (see hysteresis set- The relay operates when the opened, if the input signal is (connection between termi- ting), the relay releases measured value exceeds (or already in alarm position, the nals A1, Y1 - latching func- when the interconnection drops below) the set level for delay time needs to elapse tion enabled - Relay ND) between terminals A1, Y1 is more than the set delay before relay activation. The relay operates and interrupted or the power time. It releases when the latches in operating position supply is interrupted as well. current drops below (or when the measured value The red LED flashes until the exceeds) the set level (see exceeds (or drops below) delay time has expired. hysteresis setting) or when Function/Range/Level and Time Delay Setting Adjust the input range set- Lower knob: ting DIP switches 1 and 2 as Setting of delay on alarm shown below. time on absolute scale (0.1 Select the desired function to 30 s). Measuring range setting DIP switches 3 to 6 SW1 ON ON OFF OFF as shown below. SW2 OFF ON ON OFF To access the DIP switches open the grey plastic cover 20A 50A 100A 100A as shown below. Selection of level and time Relay working mode delay: ON: Normally De-energized OFF: Normally Energized Upper knob: Power ON delay Setting of hysteresis on rela- tive scale: 0 to 30% on set ON: 6 s 0.5 s value. OFF: 1 s 0.5 s Contact input ON: Latch function enable Centre knob: OFF: Inhibit function enable Current level setting on rela- tive scale: 10 to 110% on Monitoring function full scale. ON: Over current OFF: Under current 2 Specifications are subject to change without notice (19.05.10)