CTM7

EFR3000 ZIEHL | Alldatasheet

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ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de Consumption [kW] 4:00 6:00 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 Time to the grid provider and the price the provider pays for fed in energy. Functions: Shift own consumption into times with high gene - ration of energy Switch on consumers when you have overflow of energy Increase the share of consumed own energy intelligent control of consumers Cheap equipment costs ensure a short payback period: Save € 312 * a year with the EFR3000 by switching on at 200 days a year for an average 3 hours consumers with 4 kW in times you have a surplus of own energy. Equipment costs (EFR 3000, 3x current transformer, if necessary contactors) are returned within less than 2 years*. Longer / shorter switch on times and larger / smaller consumption shorten / extend the period. In addition, in the long term rising purchase prices for energy can be expected. * Feed 12 Ct / kWh, electricity purchase price 25 Ct / kWh Relay for Energy Flow EFR3000 Optimization of consumption of own energy Zero Export Device, measuring transducer for power 2017-09-19 Relays for energy flow EFR3000 monitor the current flow between public power grid and generating plant / consumer. When the own power plant gene- rates more power than actually is consumed it often is more eco- nomical to consume the excess energy self. This is especially reasonable when the difference is high between the price you pay The EFR measures the energy flow in all 3 phases and calculates the mean value. Is sufficient own power left, the EFR3000 switches on up to three con- sumers and ensures that the power is consumed in the house. Potential consumers are e.g. air conditioners, boilers or battery chargers but also washing machines, dryers, etc ... . This is relatively simple if a PV system feeds uniformly under a clear sky and consumers with constant power consumption, such as heat pumps or heating elements, are connected. Particularly suitable are consumers that consume a lot of energy and can be switched frequently, for example boilers. It becomes more complicated when the generation varies because of clouds before the sun and consumers do not continuously draw current as washers, dryers, irons or stoves. The analog output can regulate a consumer stepless and thus achieve a yet higher rate of own consumption. When using phase angle controls the specifications of the grid providers have to be obeyed. Energy flow is always evaluated and displayed, as seen from a po- wer meter for purchasing energy: purchase from public grid is positive, fed in energy reduces the bill and is therefore negative (- sign). The EFR3000 can optimize the con- sumption of own energy even under difficult conditions. To achieve this the following parameters can be set Switching of up to 3 consumers: the largest consumer, ranked 1-2-3 or combination of 3 consumers (7 levels) Power consumption of the connected consumers Switch on points. At which energy flow consumers are switched on Switch on delay of consumers. Short lowering in consumption (by clocking consumers) or peaks in the feed does not immediately cause turn on of additional consumer Minimum on time. Heat pumps may not be switched on and off permanently, washing machines should be able to complete a cycle. Switch off delay. Short consumption peaks or reduction of the generated energy does not immediately switch off a load. Switch off point. At which energy flow consumers are switched off again. In practice, this value is usually slightly on the purchase side. Inputs for blinding out consumers when these are not available, for example when boiler has reached maximum temperature. Relay for Plants for Generation of own Energy Feed in Heat pump Examples additional consumption with EFR3000Energy Flow: Purchase Own consumption without EFR3000 Air conditioner Heater for water, regulated Heater for water, not regulated EFR3000 Part number: S225760

ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de Features: Measuring of active power Measuring inputs isolated from electronics Colored LCD display Intuitive handling with joystick 3 inputs for customary current transformers with secondary 1 or 5 A. Ratio programmable 3 relay outputs, 2 kW directly, higher loads with contactors 2 digital inputs Y1/Y2 for control signals Analog output for stepless regulation of a consumer Measuring transducer with analog output 0/4-20 mA for power L1, L2, L3 or L1+L2+L3. Measuring range can be scaled Micro-USB port for configuration and update Interface RS 485 (Modbus RTU) Housing 140 mm wide Zero Export Device. Switch off within <500 ms at inadmissible feed in that is contrary to contract Part numbers: S225760 EFR3000 Suitable current transformer (split core): S225770 KBR 18S, 60/1A, Klasse 3 0,4 VA Suitable mini current transformer: S225780 CTM7, 64/1A, Klasse 1 0,5 VA 2017-09-19 Technical Data Rated supply voltage Relay outputs K1, K2, K3 Switching voltage Conventionel thermal current Ith Switching power max cos φ=1 Contact service life, electr. cos φ=1 Rated operational current Measurement of voltage (RMS) Voltage phase-N Max. error of measurement Measurement of current Nominal currents / resolution Max. error of measurement Overload capacity Resistance of input Measurement of active power Max. error of measurement Analog output (GND (┴), I+) Max. error Temperature factor Load Test conditions Operating temperature Dimensions (B x H x T) Protection housing/terminals Attachment Weight DC/AC 24 – 240 V 0/50/60 Hz, <3 W, <9 VA DC 20,4 - 297 V AC 20 - 264 V 3 x 1 change-over contact max. AC 300 V, DC 300 V max. 9 A 2000 VA 5 operations at 300 V / 9 A AC-15 Ie = 6 A Ue = 250 V L1 / L2 / L3 towards N AC 35,0 … 330,0 V, 50/60 Hz ± 0,5% of fullscale, ±1 digit Primary current max. 1.000 A AC 1/5 A / 1 mA ± 0,5% of fullscale ±1 digit 8 A continously, 25 A max. 1 s 25 mΩ ± 1.000 kW, resolution 1 W 1 % of fullscale ±1 digit DC 0/4 – 20 mA for active power ± 1.000 kW, scaleable ± 0,3 % of fullscale + error of measurement active power < 0,015 % / K ≤ 500 Ω see "general technical information" -20 °C ... +55 °C 140 x 90 x 58 mm, mounting height 55 mm IP 30 / IP20 on 35 mm DIN rail or with screws M4 app. 300 g Relay for Plants for Generation of own

ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de Current transformers for Relay for Energy Flow EFR3000 and EFR4000IP Split core current transformer KBR18S, 60/1 A, class 3, 0,4 VA Compact current transformer CTM7, 64/1 A, class 1, 0,5 VA Relay for Plants for Generation of own Technical Data Applied standards Primary nominal current Secondary nominal current Accuracy class Rated power Operating temperature Dimensions (w x h x d) Diameter of cable Connection Attachment Weight KBR18S EN 61869-1, EN 61869-2 und IEC 61010-1 60 A 1 A 0,4 VA -5...+40 °C 36,0 x 50 x 51,1 mm max. 18,5 mm (isolated wire only) cable 2,5 m 0,5 mm on 35 mm DIN rail or with screws ca. 180 g 2016-11-18 CTM7 EN 61869-1, EN 61869-2 und IEC 61010-1 64 A 1 A 0,5 VA -5...+50 °C 27,5 x 19 x 46,5 mm max. 7,5 mm (isolated wire only) Terminals 0,2...1,5 mm on 35 mm DIN rail or with screws ca. 47 g The compact current transformer is especially suitable for use in tight space conditions. With its primary 64 A it matches perfectly the 63 A with which domestic connections are usually fused. The secondary 1 A are connected to EFR. The inputs of the EFR are preset for primary currents 60 A, changing is simple. A clip for mounting on DIN-rail is included. The transformers can be clicked together for saving space. For EFR three current transfor- mers are required. The split core current transformer KBR18S is especially suitable for being subsequently mounted in existing facilities. With its primary

60 A it matches perfectly the 63 A

with which domestic connections are usually fused. The secondary 1 A are connected to EFR. The inputs of the EFR are preset for this value. A clip for mounting on DIN-rail is included. For EFR three current transfor- mers are required. CTM7 KBR18S Part number: S225780 Part number: S225770