6
NT311 ETH
TECHNICAL SPECIFICATIONS
NT311 ETH
POWER SUPPLY
Supply rated values
85-260 VDC-VAC
50/60Hz
Vdc with invertible polarities
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INPUTS AND SENSORS
1 TPU sensor input (temperature-humidity and dust)
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2 inputs for NC door opening alarm contacts
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Connections on removable terminal boards
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OUTPUTS
1 alarm relay (ALARM) SPDT
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1 relay for sensor fault or SPDT operating anomaly (FAULT)
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1 SPST FAN ventilation management relay
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1 SPDT HEATER heating management relay
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Output relays with 10A-250Vca-
res COSФ=1 contacts
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TCP/IP Modbus Ethernet output
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DIMENSIONS
106.60x122x53.50mm
DIN rail
TESTS AND PERFORMANCE
Construction in compliance with the EC regulations
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Protection from electrical interferences EN 61000-4-4
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Dielectric strength 1500 Vac for a min. between relay and TPU signal, relay and power
supply, power supply and TPU signal
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Ambient operating temperature from
–20°C to +60°C
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Permitted humidity 90% without condensate
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Degree of protection IP20
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UL 94V0 self-extinguishing PC/ABS Blend housing
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3VA absorption
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Self-diagnostic circuit
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Electronic part protective treatment
Optional
