NR 5/Ex electric relay EX JOLA
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Delivery time: okvirno 2 tedna
- supply voltage: standard 230 V AC; on request: 115 V AC, 24 V AC, 24 V DC and 12 V DC
- Functionality: on the principle of quiescent or operating current
- temperature range: -20°C to 60°C
- IP degree of protection: IP 20
- housing: insulating material, 75 x 55 x 110mm
Description
The NR 5/Ex electrode relay EX JOLA is designed to transmit control commands. They shall be installed in a control cabinet or other suitable protective enclosure. The switches are suitable for use in clean environments.
Relay with electrodes for mounting or DIN rail mounting via 2 drill holes, with connection terminals on top of the housing and with 2 built-in LEDs for alarm status indication.
The unit is designed for installation or installation of the switch box in a suitable protective enclosure outside potentially explosive atmospheres and can therefore only be installed in these locations. It is only suitable for use in clean environments.
Electronic relay NR 5 / Ex I (M1) / II (1) GD [Ex ia Ma] I / [Ex ia Ga] IIC / [Ex ia Da] The IIIC is designed to transmit control commands from an intrinsically safe control circuit to a non-isolated safe active current circuit. It must be installed outside potentially explosive areas in accordance with the relevant standards and regulations.
Ex ia II. T6 G. approved conductive electrodes such as types EL….. Ex II 2 G or II 1 G Ex ia II. T6 G., can be used in a truly safe control current circuit. The various application possibilities and the special conditions for safe use are described in the relevant installation, operation and maintenance instructions (sent on request).
Electrode relay Ex NR 5 / Ex I (M1) / II (1) GD [Ex ia Ma] I / [Ex ia Ga] IIC / [Ex ia Da] IIIC, based on the quiescent current principle: in OK state, the output relay is energised.
Electrode relay NR 5 / Ex I (M1) / II (1) GD [Ex ia Ma] I / [Ex ia Ga] IIC / [Ex ia Da] IIIC version A, based on the operating current principle: in OK state, the output relay is not energised.
Feature NR 5/Ex
Technical data | NR 5/Ex I (M1) / II (1) GD [Ex ia Ma] I / [Ex ia Ga] IIC / [Ex ia Da] IIIC | NR 5/Ex I (M1) / II (1) GD [Ex ia Ma] I / [Ex ia Ga] IIC / [Ex ia Da] IIIC Version A |
---|---|---|
Supply voltage | 230 V AC (other voltages on request; see datasheet) | – |
Power of the entrance | approx. 3 VA | approx. 3 VA |
electrode circuit | 3 terminals (under safety extra-low voltage SELV) operating on 1 output relay | 3 terminals (under safety extra-low voltage SELV) operating on 1 output relay |
no-load voltage | 3 Veff 10 Hz | 3 Veff 10 Hz |
short-circuit current | max. 0.5 mAeff | max. 0.5 mAeff |
sensitivity of response | approx. 30 kW or approximately 33 µS (conductivity) | approx. 30 kW or approximately 33 µS (conductivity) |
control circuit | 1 single-pole potential-free switching contact with self-restraint | 1 single-pole potential-free switching contact with self-restraint |
functionality | according to the principle of quiescent current | by the principle of operating current |
status indicators | 1x green LED(on), 1x red LED(off) | 1x green LED(on), 1x red LED(off) |
switching voltage | max. 250 V AC | max. 250 V AC |
switching current | max. 4 A AC | max. 4 A AC |
switching power | max. 100 VA | max. 100 VA |
housing | insulation material, 75 x 55 x 110 mm | insulation material, 75 x 55 x 110 mm |
Link | terminals on the housing | terminals on the housing |
protection class | IP20 | IP20 |
installation | on 35 mm DIN rail or fixing via 2 drill holes | on 35 mm DIN rail or fixing via 2 drill holes |
orientation of the installation | any | any |
temperature range | -20 °C to +60 °C | -20 °C to +60 °C |
EC type-examination certificate | INERIS 03ATEX0151 | INERIS 03ATEX0151 |
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