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E-1048-8S2-C3C1-4U3-3A 数据表(PDF) 1 Page - ETAL Group |
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E-1048-8S2-C3C1-4U3-3A 数据表(HTML) 1 Page - ETAL Group |
1 / 4 page www.e-t-a.de Smart Power Relay E-1048-8S... 1646 1 5 Description Features Technical Data (Tamb. = 25 °C, UN = DC 24 V) E-1048-8S SLIMLINE-version Power supply LINE + Type DC power supply with small Ri battery and generator etc. Voltage ratings UN DC 12 V/DC 24 V Operating voltage US DC 9...32 V Closed-circuit current I0 in the OFF condition 1) < 50 µA Load circuit LOAD Load output Power MOSFET, high side switching Current rating range IN 1 A...25 A (fixed ratings), without load reduction up to 85° C (25 A ... 70 °C) IN = 1 A...10 A: see trip curve 1 IN = 15 A...25 A: see trip curve 2 Types of loads resistive, inductive, capacitive, lamp loads, motors (depending on duration of inrush current) Typical voltage drop UON at rated current IN (at 25 °C) 1) Switching point 1) typically 1.3 x IN (-40 °C...+85 °C: 1.1...1.5 x IN) Trip time 1) typically 200 ms with switch-on onto overload and/or load increase on duty; can be modified in relation to specific projects. Max. overload IN = 1 A...10 A: 60 A (at L/R = 3 ms) IN = 15 A...25 A: 200 A (at L/R = 3 ms) short-circuit-proof switching output with overload disconnection after typically 200 ms at Iload > typically 1.3 x rated current Temperature disconnection power transistor > 150 °C Parallel connection for loads of 25 A plus, several units of of channels identical current ratings may be connected in parallel. To ensure equal distribution of current between units, symmetrical design of the supply feed is necessary (length and cross section). Free-wheeling diode integral for connected load IN = 1 A...10 A: max. 40 A IN = 15 A...25 A: max. 100 A The Smart Power Relay E-1048-8S is a remotely controllable electronic load disconnecting relay with two functions in a single unit: l electronic relay l electronic overcurrent protection A choice of current ratings is available from 1 A through 30 A. An operating voltage range of DC 9...32 V allows the connection of DC 12 V and DC 24 V loads. It has been designed for installation in IP-protected enclosures. The optimised design allows reduction of space requirements up to 50 % compared to standard electro-mechanical cubic relays. Power consumption is cut by factor 5 compared to standard electro-mechanical relays and allows gas saving and reduction of CO2 emissions. In order to switch and protect loads remotely, it has until now been necessary to connect several discreet components together: - an electro-mechanic relay, control cable and integral contact to close the load circuit - an additional protective element (circuit breaker or fuse) for cable or equipment protection Now type E-1048-8S combines these two functions in a single unit, thus minimising the number of connections in the circuit and thereby reducing the risk of failures. Applications Type E-1048-8S is suited to all applications with DC 12 V or DC 24 V circuits, where magnetic valves, motors or lamp loads have to be switched and protected: - agricultural and construction machinery, - road vehicles (utility vehicles, buses, special vehicles) - rail vehicles - marine industry (ships, boats, yachts etc.) The Power Relay is also suitable for industrial use (process control, machine-building, engineering) as an electronic coupling relay between PLC and DC 12 V or DC 24 V load. l The E-1048-8Slimline features integral power electronics and provides wear-free switching function, insensitive against shock, vibration and dust. l Compared to electro-mechanical relays, only a fraction of the closed-circuit current or switching current is needed. This is important for battery buffered load circuits which have to remain controlled even with the generator off line. l The extremely low induced current consumption of less than 50 µA is absolutely necessary for battery buffered applications. l The load circuit is disconnected in the event of a short circuit. l For switching and monitoring loads of 25 A plus it is possible to connect several units in parallel. Uniform power distribution between units must be ensured by symmetrical design of the supply cables (length and cross section). l Load conditions are visually indicated by a bicolour LED (load activated: yellow LED lighted; load disconnected due to overload or short circuit: red LED lighted). l An optional status output for group fault signalling »SF« provides status indication of the load circuit (overload/short circuit) IN UON IN UON 1 A 50 mV 10 A 110 mV 2 A 55 mV 15 A 70 mV 3 A 60 mV 20 A 90 mV 5 A 80 mV 25 A 120 mV 7.5 A 90 mV with status output 1) typical |
类似零件编号 - E-1048-8S2-C3C1-4U3-3A |
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类似说明 - E-1048-8S2-C3C1-4U3-3A |
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