Leckstar 101/Ex relay for JOLA leak detectors

Description

The Leckstar 101/Ex relay for JOLA leak detectors is designed for limit level signalling. They shall be installed in a control cabinet or other suitable protective enclosure. The switches are suitable for use in clean environments.

• with cable disconnect control and switchable self-hold
• for connection of 1 conductor Ex electrode with cable break monitoring unit Z6V2
• with 1 potential-free switching contact at the output

Conductive electrode relay Ex for U-rail mounting or surface mounting, with connection terminals on top and 3 built-in LEDs to indicate operating conditions.

The unit is designed to be installed or mounted 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. Leckstar 101 / 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 current circuit to a non-isolated safe active current circuit.

It must be installed outside explosion areas in accordance with the relevant standards and regulations. Ex-approved conductive electrodes such as our Ex conductive plate, rod, suspension or cable electrodes can be used in a safe control circuit via the mandatory Ex junction box OAK/LST/2x1MΩ II 2 G Ex ia IIC T6 Gb.

The different application options and specific conditions for safe use are described in the relevant installation, operation and maintenance instructions (sent on request).

Self-hold:

• If the Self-hold switch is activated, an alarm is stored. The relay continues to signal the alarm even if the cause of the alarm (e.g. presence of water or cable break) is no longer present – in other words, if the sensor is dry again or if the line is in contact. The alarm is acknowledged by switching off the self-hold switch.
• If the self-hold switch is not switched on, the alarm will not be maintained when the cause of the alarm is eliminated, but will be interrupted.

Before use, we recommend viewing the attached pdf documents under the Documentation tab.

Leckstar 101/Ex features

• supply voltage: 230 V AC; on request: 240, 115, 24 V AC or 24, 12 V DC
• Power supply: approx. 3 VA
• electrode circuit. 2 terminals (under safety extra-low voltage SELV) operating on 1 output relay with switching self-test
• No-load voltage: 8 Veff 10 Hz (safety low-voltage SELV)
• short-circuit current: max. 0.5 mAeff
• response sensitivity: approx. 30 kW or approximately 33 µS (electrical conductivity)
• cable break control: via a Zener diode (Z6V2) at the end of the electrode
• Power circuit: 1 single-pole potential-free switching contact based on the quiescent current principle
• switching indicator: via 3 LED lights
• switching voltage: max. AC 250 V
• switching current: max. AC 4 A
• switching power: max. 500 VA
• housing: insulating material, 75 x 55 x 110 mm
• connection: iterminals on the housing
• protection class: IP20
• Installation: U-bolt fixing according to DIN 46 277 and EN 50 022 or fixing via two drill holes
• orientation of installation: any
• temperature range: -20 °C to +60 °C
• EC inspection certificate: INERIS 04ATEX0072

For more information, please see the attached pdf documents under the Documentation tab.

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