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Current monitoring relay PRI-51
1 NO/NCACsingle-phase

current monitoring relay
current monitoring relay
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Characteristics

Measured/monitored value
current
Contact configuration
1 NO/NC
Network
AC, single-phase
Mounting
DIN rail
Tripping current

8 A

Description

Current monitoring relay PRI-51Serves for monitoring of heating in rail-switches, heating cables, consumption of one-phase motors, indicates current flowDESCRIPTION In suitable wiring, it can act as a power cutter for the power reserve and allow you to reduce the size of the main circuit breaker (and thus the amount of payment for this circuit breaker). The design reduces the thermal stress of the product compared to the conventional solution with the built-in shunt, increases the current range up to 20A and galvanically separates the measured circuit. Supply from monitored voltage. In conjunction with the supplied current transformers, the basic current ranges can be expanded up to 600A, increasing the range of use. Preferred (priority) relay – two appliances (boiler and floor heating) operating on one phase, but never run together – prevention against current overload and circuit breaker tripping. Enables to save your main breaker expenses. Supply is galvanically separated from measured current.TECHNICAL PARAMETERS Power voltage AC 24 – 240 V, DC 24 V Output contact: 1x changeover 8 A/AC1 (AgNi, 2500 VA) Slight setting (by potentiometer ) of tripping current, choice from 6 ranges:PRI-51/0.5A: AC 0.05 – 0.5 APRI-51/1A: AC 0.1 – 1 APRI-51/2A: AC 0.2 – 2 APRI-51/5A: AC 0.5 – 5 APRI-51/8A: AC 0.8 – 8 APRI-51/16A: AC 1.6 – 16 A Current flowing through monitored wire must not exceed 100 A. 1-MODULE, DIN rail mounting.
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