Gestra NRS1-40

Gestra

产品编号: NRS1-40
生产厂家: Gestra
Confirmed Rating: ☆☆☆☆ ☆☆ (2.2)
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Datasheets for Gestra NRS1-40

Description for Gestra NRS1-40

Description Low-level limiter with one level electrode The switching controller type NRS 1-40 is a self-monitoring low-water level limiter with periodic self-checking and monitoring feature of the output relay contacts, to be used in conjunction with one level electrode type NRG 16-40, 17-40, 19-40 or NRG 111-40. The controller has the following function: ■ Low-water level alarm with one switchpoint The equipment detects the min. water level (low-level limiter) and complies with the German Regulations for use in steam and hot-water plants operating without constant supervision according to TRD 401 and TRD 602. Low-level limiting system with two level electrodes When used with two level electrodes type NRG 16- 40, 17-40 or 19-40, the controller NRS 1-40 constitutes a high-integrity low-water level limiter system with periodic self-checking. The controller features the following function: ■ Low-water level alarm with one switchpoint, dual-channel redundancy Application in steam and hot-water plants operating without constant supervision according to TRD 604, sheet 1 and 2 (24/72 hrs.) and EN 12952, EN 12953. This item of electrical equipment complies with the Technical Regulations on Protection Circuits to DIN VDE 0116 (prEN 50156). The level data are transferred from the electrode NRG 1...-40 to the controller via CAN bus using the CANopen protocol.

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