Digital Reverse Power Relays N96D-RPR

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Product Details:

Ambient Temperature -10C to 55C
Working Temperature -10C to 55C
Contact Resistance <50m
Coil Voltage Follows supply voltage (internal)
Dielectiric Strength 2kV AC for 1 minute
Protect Feature Reverse power protection, relay tripping
Power Consumption Max 5VA
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Digital Reverse Power Relays N96D-RPR Price And Quantity

Minimum Order Quantity 5 Piece

Digital Reverse Power Relays N96D-RPR Product Specifications

Supply Terminal Rear side
Coil Power Low consumption circuit
Contact Load Low Power
Rated Voltage 110-230V AC/DC
Contact Form SPDT
Weight Approx. 300g
Mechanical Life >10 million operations
Size 96 x 96 mm (panel cutout)
Contact Material Silver alloy
Theory Digital Reverse Power Relays
Color Black & Blue
Product Type Digital Reverse Power Relays
Dielectiric Strength 2kV AC for 1 minute
Usage Protection for generator and power systems against reverse power flow
Coil Voltage Follows supply voltage (internal)
Terminal Type Screw terminal
Dimension (L*W*H) Approx. 110 x 110 x 80 mm
Ambient Temperature -10C to 55C
Contact Resistance <50m
Working Temperature -10C to 55C
Power Consumption Max 5VA
Operate Time Adjustable, typically 0.2 to 20 seconds
Insulation Resistance 100M at 500V DC
Protect Feature Reverse power protection, relay tripping

Mounting Type Flush / Panel Mounting
Alarm Indication LED indication on front panel
Enclosure Material ABS Flame Retardant Plastic
Reverse Power Trip Setting Adjustable (user configurable)
Ingress Protection IP20 (front face)
Display Type Digital (7 segment LED display)
Input Signal CT Secondary 1A/5A selectable
Response Time Less than 100ms
Relay Output Potential free relay output
Accuracy 1% of measured value

Digital Reverse Power Relays N96D-RPR Trade Information

Supply Ability 1000 Piece Per Month
Delivery Time 3-5 Days

Product Description

The reverse Power relay is used to monitor direction of flow of power in the system. It measures TRMS Current & Voltage of the system, and phase Angle. Thus using this parameters it analyses the direction of power flow in the system. Protimes RPR has two parameters to set, which decides the limit of Reverse Power in system. That is MTA (maximum torque Angle) & reverse current limit. When power flow in reverse direction the current increases if current goes beyond set limit relay will trip after pre-defined tripping time delay. The relay has also provision of phase angle compensation. In reverse power flow direction phase angle increases between Voltage & current, if phase angle increases beyond MTA setting, relay will trip. RPR can be configured in four modes, i.e Normal, Fail safe ,By pass & Test modes. Normal mode: When fault occurs fault led shall glow. After Pre-defined time delay relay energises with trip led glowing. Fail Safe mode: In this mode relay remains energised in normal condition & de-energises after the trip delay, when fault occurs. By pass mode: Relay shall not trip in fault stage. Test Mode: It is mode to simulate fault condition at the time of installation or maintenance. In Manual RESET mode fault led & relay remains in trip condition until user Resets the relay. To go in to program press SET key.

Advanced Protection for Generators and Power Systems

The N96D-RPR Digital Reverse Power Relay offers comprehensive protection for generators and power systems, preventing the hazardous effects of reverse power flow. By monitoring current and tripping the relay promptly when reverse power is detected, it minimises equipment damage and downtime, making it an essential safeguard in industrial and commercial electrical setups.

User-Friendly Digital Display and Configuration

Equipped with a clear 7-segment LED display, the relay ensures at-a-glance system status and easy parameter adjustment. The configurable trip settings allow users to tailor the relay's response to specific system needs, while LED indicators provide instant visual alarms, enhancing operational convenience and safety.

Durable Construction and Reliable Performance

Encased in an ABS flame retardant enclosure, the relay is built to withstand harsh electrical environments. With IP20 protection, strong insulation (100M at 500V DC), and an operational life exceeding 10 million cycles, users can depend on its long-term reliability and safety for critical power system applications.

FAQ's of Digital Reverse Power Relays N96D-RPR:

Q: How does the N96D-RPR Digital Reverse Power Relay help protect my generator?

A: This relay continuously monitors the direction of power flow. When it senses reverse power, indicating a potential hazard to the generator, the device activates its potential-free relay output to trip the circuit, preventing generator damage and system faults.

Q: What is the process for configuring the reverse power trip and operate time settings?

A: Users can easily adjust the reverse power trip setting and operate time via the front panel interface. Both parameters are configurable, with typical operate time ranging from 0.2 to 20 seconds, allowing precise adaptation to your system's requirements.

Q: Where can the N96D-RPR be installed, and what is the mounting type?

A: The N96D-RPR relay is designed for flush or panel mounting, making it suitable for integration into control panels in industrial facilities. It fits standard 96 x 96 mm panel cutouts and is ideal for both new installations and retrofits.

Q: What type of output does the relay provide for alarms or tripping circuits?

A: It offers a Single Pole Double Throw (SPDT) potential free relay output, accommodating a variety of control circuits. The contact material is silver alloy and has low contact resistance, ensuring reliable performance.

Q: When will the LED alarm indication on the front panel activate?

A: The LED alarm indicator on the front panel lights up immediately when reverse power flow is detected, providing clear visual notification of trip conditions to the operator.

Q: What are the advantages of using a digital relay over traditional mechanical relays?

A: Digital relays like the N96D-RPR offer higher accuracy (1% of measured value), faster response time (under 100ms), easier configuration, and enhanced visual feedback through digital displays and indicators compared to mechanical relays.

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