PLM9502

Series:	PLM
Part Status:	Active
Type:	Voltage Asymmetry, Voltage Sensing AC, Phase Loss
Trip Status:	Energized Low
Trip Range:	400 ~ 480V AC
Delay Time:	Fixed, 2 Sec
Voltage - Supply:	480VAC
Output Type:	Relay
Circuit:	SPDT (1 Form C)
Contact Rating @ Voltage:	10A @ 240VAC
Mounting Type:	Socketable
Operating Temperature:	-40°C ~ 60°C

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IntroductionThe PLM9502 is a current and voltage monitoring relay designed to provide safety monitoring and control in a wide variety of industrial applications. It has four relay outputs that can be configured for monitoring AC or DC Currents, AC or DC Voltages, or for activating safety functions. It can also be configured to provide output rate of change monitoring.FeaturesThe PLM9502 provides a number of features. It includes a simple setup and easy-to-read LCD display for monitoring the measurements. It has a wide range of input ranges that can be set from 0.1 Amp up to 500 Amps, and 0.1 Volts up to 600 Volts. It also has adjustable time delays, adjustable trip levels, and adjustable hysteresis.The unit is also designed for reliable operation in harsh environments. It is designed for the challenges of industrial use, with features such as: wide operating temperature range (-40°C to +55°C), adjustable input resistance, surge protection, IEC 60947-4-1, and NEMA 4X rating.The PLM9502 includes four normally open or normally closed relay outputs, which can be configured for one of three different monitoring types: Current, Voltage, or Output Rate of Change.SpecificationVoltage Monitoring:-Type: AC and DC voltage monitoring-Voltage Range: 0.1 to 600 Volts-Accuracy: < +/- 1%-Noise Immunity: 80dbCurrent Monitoring:-Type: AC and DC current monitoring-Current Range: 0.1 to 500 Amps-Accuracy: < +/- 1%-Noise Immunity: 80dbOutputs:-Number: Four normally open or normally closed relays-Protection: IEC 60947-4-1, NEMA 4X rating-Response Time: Adjustable (0.5 to 5 seconds)Working PrincipleThe PLM9502 is designed to monitor current or voltage and provide reliable control and safety monitoring functions. The unit has four relay outputs that can be configured for monitoring AC or DC currents, AC or DC voltages, or for triggering safety functions.The unit works by sensing the input voltage or current, comparing it to pre-set limits, and then actuating the appropriate relay output. This can used to activate safety functions, such as tripping circuits, controlling pumps or fans, signalling alarms, etc.The unit includes adjustable hysteresis and time delays to reduce the likelihood of false trips, and it has a wide operating temperature range and surge protection for use in harsh environments.AdvantagesThe PLM9502 provides several advantages for applications that require current or voltage monitoring. It has a simple setup and easy-to-read LCD display for monitoring the measurements. It has a wide range of input ranges that can be set from 0.1 Amp up to 500 Amps, and 0.1 Volts up to 600 Volts. It also has adjustable time delays, adjustable trip levels, and adjustable hysteresis. Additionally, it is designed for reliable operation in harsh environments and has IEC 60947-4-1 and NEMA 4X ratings for protection against surges.ConclusionThe PLM9502 is a current and voltage monitoring relay designed to provide safety monitoring and control in a wide variety of industrial applications. It has four relay outputs that can be configured for monitoring AC or DC Currents, AC or DC Voltages, or for activating safety functions. It also includes adjustable hysteresis and time delays to reduce the likelihood of false trips, making it a reliable and safe choice for any application requiring current or voltage monitoring.

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