SVS18 - 6 Pages

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Catalogue excerpts

Power Distribution System SVS18 Description The power distribution system SVS18 optimises the DC 24 V distribution in automation and process control, in the production area of the chemical industry and in power plants. The power distribution system SVS18 DIN rail mounting distributes all voltage potentials supplied by a 24 V power supply (SMPS) onto 10 ways F1 to F10 (arranged from right to left). The system offers 2 integral redundancy diodes in each protected load output and selectively protects the connected loads such as controls, transformers, actuators, magnetic yoke subassemblies, bus modules etc. by means of the circuit breaker fitted. With a max. total current of 25 A and a typical load current of 3 A per way (max. 6 A in limited continuous duty) the SVS18 provides ease of distribution and sub-distribution in short-circuit-limited DC 24 V applications. All auxiliary contacts (make contacts) of the plugged-in circuit breakers are connected in series and allow group signalling in accordance with the closed-circuit principle. The 10 protected »L+« load outputs with 2 redundancy diodes per way significantly reduce the otherwise standard wiring time. All terminals of the DC 24 V supply, load outputs with 0 V return conductor as well as the signalling terminals are screwless spring-loaded terminals. Technical data (Tamb = 25 °C, UB = DC 24 V) Application Suitable for the following E-T-A circuit breaker types: electronic circuit breaker ESS20-003-DC24V max. 6A electronic circuit protector ESX10-103-DC24V max. 6A Modular power distribution system for short circuit current limited DC 24 V – applications. Use with switch-mode power supply, e.g. type Quint DC 24 V / 20 A (manufactured by Phoenix Contact) Supply Rated voltage: S ystematic integration of overcurrent protection, power distribution and signalling on one board P ower distribution and selective protection of DC 24 V load circuits fed by a single power supply (L1+ and L2+ are bridged) or by two separate power supplies (L1+, L2+) C lear distribution concept, two each redundancy diodes (typically 1.5 A, max. 3 A per diode) connected in parallel integral in each load output T erminal block for group signalling (make contacts) P rofitability through significant reduction of wiring time R educed time and expenses for planning, design and installation E ase of maintenance, diagnosis and system extension DC 24 V (18...30 V), 2 supply potentials L1+ and L2+ possible Caution: L1+ and L2+ are bridged when delivered Total current: max. 25 A, continuously DC 24 V (+) = X21 L1+/L1+ DC 24 V (+) = X21 L2+/L2+ DC 24 V (-) = X21 L-/L-/LL1+: supply potential for F1/F3/F5/F7 L2+: supply potential for F2/F4/F6/F8/F9/F10 L-: 0 V return conductor for L1+ and L2+ screwless plug-in terminal block, 7-pole max. cable cross section 0.75...10 mm2 F-positions 10 slots F1 to F10 for electronic circuit breakers, prepared for types ESS20-003, ESX10-103: placed from right (F1) to left (F10) Ordering information Type SVS18 power distribution system for ESS20-003, ESX10-103 l For short circuit current limited DC 24 V-applications l Max. 25 A cont. load l Integral group signalling terminals X31, DC 24 V / max. 0.5 A , have to be protected separately l Incl. 1 isolated bridge for terminal L1 and L2 pushed in upon receipt l Incl. 10 isolated bridges for load outputs, parallel connection of diodes Dx.1 and Dx.2, pushed in upon receipt l Accessories: jumpers SB-11-P1-01-1-1A (for free slots), order separately Version, max. number of circuit breakers on the power distribution system 10 circuit breakers (F1...F10) Fitted version, load output and signalling terminals C10 tandard: completed fitted with push-in-terminals s (max. 2.5 mm², without wire end ferrule F2, F4, F6, F8, F9, F10: Output via redundancy diodes to X2/L2, X4/L2, X6/L2, X8/L2, X9/L2, X10/L2 (terminals 1+ , 2+ each) Please plug jumper SB-11-P1-01-1-1A into free slots (to be ordered separately, see accessories) Caution: When using an electronic circuit breaker rated > 3 A, the redundancy diodes have to be connected in parallel. The jumper for connecting the diodes in parallel has to be plugged in. Accessory: jumper, see Accessories

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Power Distribution System SVS18 Technical data (Tamb = 25 °C, UB = DC 24 V) Load outputs per way Rated voltage max. 6 A per terminal block (X1…X10) / per slot (F1…F10) Caution: max. load current has to be observed typically 3 A per slot / typically 1.5 A per diode (standard redundancy operation) max. 6 A per slot / max. 3 A per diode (for 8 hrs at Tamb 40 °C) The max. total current of 25 A must not be exceeded. max. current load of the redundancy diodes of typically 1.5 A, max. 3 A per diode, must be strictly observed. In the event of parallel connection of the two diodes, a load current of typically...

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Power Distribution System SVS18 Wiring example: SVS18-10 with ESS20-003 and group signalling symmetrical rail EN 50022-35x7,5 (not part of the product) ca. 59 terminals: power supply plug-in terminal 10 mm 7-pole / max. 25 A group signalling: plug-in terminal 2.5 mm / max. 0,5 A load outputs load output bridge: plug-in terminal plug-in terminal 2.5 mm / 4-pole 1.5 mm / 2-pole typically 3 A typically 1.5 A per diode in redundancy operation plug-in terminal for diode (exchangeable)

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Power Distribution System SVS18 DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5 A pro diode in redundancy operation) DC 24 V / typically 3 A (typically 1,5...

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Power Distribution System SVS18 Application example: SVS18-10-C10 fitted with ESS20-003 and ESX10-103 Symmetrical rail EN 50022-35-7.5 (not part of the product) Plug-in modules (circuit breakers) to be ordered separately.

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