EMD-BL-PH-480 2903527 PHOENIX CONTACT Monitoring relay for monitoring the phase sequence and asymmetry of 3-.. View larger
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EMD-BL-PH-480 2903527 PHOENIX CONTACT Monitoring relay for monitoring the phase sequence and asymmetry of 3-..




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Monitoring relay for monitoring the phase sequence and asymmetry of 3-phase voltages at 208 ... 480 V AC/120 ... 277 V AC, configurable asymmetry, 1 PDT, with screw connection

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INTERFACE Signal converters, switching devices, and power supply units - PHOENIX CONTACT

Energy meters. Monitoring - PHOENIX CONTACT

* Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT

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Product description

Safety and system availability requirements are constantly on the increase – across all industries. Processes are becoming more and more complex, not only in machine building and the chemical industry but also in building technology. The demands placed on energy technology are also constantly on the rise.

It is only by continuously monitoring key network and system parameters that error-free and therefore cost-effective operation can be achieved. Electronic monitoring relays from the EMD series are available for a wide range of monitoring tasks so that the consequences of errors can be avoided or kept within limits.

The operating states are signaled via color LEDs and any errors that occur can be sent to a controller via a floating contact or can shut down a section of the system. All device versions are equipped with response delays so that measured values outside the set monitoring range can be briefly tolerated.


Width17.5 mm
Height88 mm
Depth65.5 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 55 °C
Ambient temperature (storage/transport)-25 °C ... 70 °C
Degree of protectionIP40 (housing) / IP20 (connection terminal blocks)

Connection data

Connection methodScrew connection
Conductor cross section solid min.0.5 mm²
Conductor cross section solid max.2.5 mm²
Conductor cross section AWG min.20
Conductor cross section AWG max.14
Conductor cross section flexible min.0.5 mm²
Conductor cross section flexible max.2.5 mm²
Stripping length8 mm


Status displayYellow LED
Overvoltage categoryIII, 300 V basic insulation (DIN EN 60947-5-1)
Rated insulation voltage519 V (Supply circuit/measuring circuit (DIN EN 60947-5-1))
Electromagnetic compatibilityConformance with EMC Directive 2004/108/EC
Noise emissionEN 61000-6-3
Noise immunityEN 61000-6-2
Mounting positionany
Assembly instructionson standard DIN rail NS 35 in accordance with EN 60715
UL, USA / CanadaUL/C-UL listed UL 508

Datasheet - PDF

Title: Language: Size: Type:
PHOENIX CONTACT-2903527-EMD-BL-PH-480 English 107 Kbytes PHOENIX CONTACT-2903527-EMD-BL-PH-480

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