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Current Relay for DC- and AC-currents STW1000 Ziehl

Mã sản phẩm: STW1000
Sử dụng cho Model:
Hãng SX: Ziehl
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Current Relay for DC- and AC-currents
Model : STW1000
Hãng : Ziehl

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    • SĐT: 0984 843 683

    • Mail: info@ttech.vn

      • Zalo: 0984.843.683

Thông tin sản phẩm

- ZIEHL current-relays STW1000 have 4 measuring-ranges. They monitor most of the common AC- and DC-currents for over- or undercurrent. Currents up to 10 A can be connected directly to the STW. For higher currents external transformers (to inputs 1/5 A) or Shunts (input 60 mV) can be connected.
   + Measuring inputs 1 A, 5 A, 10 A, direct or via transformer
   + Measuring input 60 mV for ext. Shunt
   + Automatic detection of AC/DC
   + Monitoring of over- or undercurrent
   + Adjustable range 10...100% IN
   + Hy s teres i s adjus tabl e 5...50%
   + Start-up delay 1...20s (input enable)
   + Switching delay 0,1...10s for fading of short peaks
   + Output-relay 2 changeovercontacts (co)
   + Operating- or closed-circuitmode for relays selectable with bridge

Thông số kỹ thuật

- supply voltage Us.......AC/DC 24-240 V, <3W, <5VA(AC 20-264 V, DC 20,4...297 V)
- relay output.......2 change-over contacts
- test conditions.......see general technical informations
- function.......Over- or undercurrent, DC orAC (1-phase)
- frequency of measured current.......0 / 40 ... 400 Hz
- internal resistance.......60 mV: 40 kΩ, 1A: 0,1 Ω, 5A: 20 mΩ, 10 A: 10 mΩ
- overload capacity/continously.......60 mV: 10 V, 1A: 2 A, 5A: 7,5 A, 10 A: 11 A
- max. 10s .......60 mV: 10 V, 1A: 5 A, 5A: 15 A, 10 A: 20 A
- switching point.......adjustable10...100% IN
- hysteresis.......adjustable 5...50% of switching point
- error of setting.......< 10%
- repeat error.......± 0,2%
- temperature-dependence.......≤0,05 %/K
- start-up-delay dEnable.......adjustable 1...20 sec.
- switching delay dAL.......adjustable 0,1...10 sec.
- rated ambient temp. range.......-20°C…+55°C
- dimensions (h x w x d).......design V4: 90 x 70 x 58 [mm]
- attachment.......on 35 mm DIN-rail according to EN 60 715 or with screws M4
- protection housing/terminals.......IP 30 / IP 20
- weight.......approx. 180 g

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