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The Selec Earth Fault Relay 900EFR-BL-U-CE is a precision-engineered protection device designed for monitoring earth fault currents in both single-phase and three-phase electrical systems. It is suitable for use with programmable MCCB frame sizes of 160A, 250A, and 630A, allowing highly customizable trip settings ranging from 10% to 80% of the frame size. Equipped with dual independent, programmable relay outputs (trip and pre-alarm) utilizing 2 x 1 C/O (SPDT) contacts, the 900EFR provides robust, reliable signaling to quickly respond to fault conditions. Featuring a 3-digit LCD with backlight for clear visibility, the device supports varied electrical connections including 3Ø-4W, 1Ø-2W, and 3Ø-3W configurations. It incorporates flexible timing controls such as response time (100ms), trip time delay (0-99.9 seconds), and recovery time delays (0-99.9 seconds) with auto-reset capabilities. Designed for ease of installation on standard 35mm DIN rails and powered by a versatile 85-270V AC/DC supply, it meets CE certification standards ensuring compliance with European safety requirements. The front and remote test and reset functions enhance operational convenience, making the Selec 900EFR-BL-U-CE an ideal earth fault protection relay for industrial and commercial electrical distribution systems seeking precise fault detection, improved system safety, and regulatory compliance.
Key Features
| Features | Description |
|---|---|
| Compatible MCCB Frame Sizes | 160A, 250A, 630A |
| Trip Setting Range | 10% to 80% of Frame Size |
| Output Relay Contacts | 2 x 1 C/O (SPDT) |
| Independent Relay Programming | Trip Relay and Pre-Alarm Relay Programmable Separately |
| Display | 3-Digit Liquid Crystal Display (LCD) with Backlight |
| Electrical Connection | Supports 3Ø-4W, 1Ø-2W, and 3Ø-3W Systems |
| Timing Settings | Response Time: 100ms, Trip Delay: 0-99.9 sec, Recovery Delay: 0-99.9 sec |
| Supply Voltage | 85 - 270V AC/DC |
| Mounting Type | 35mm DIN Rail Mount |
| Certification | CE Certified |
| Attributes | Description |
|---|---|
| Measuring Parameter | Earth Fault Current Monitoring |
| Accuracy Current | ±5% of settings ±2 digits |
| Accuracy Time | ±5% of settings ±100ms |
| Output Contact Rating | NC: 3A@250V AC, NO: 5A@250V AC |
| Display Type | 3 Digits LCD with Backlight |
| Response Time | 100 ms |
| Trip Time Delay Range | 0 - 99.9 seconds |
| Recovery Time Delay Range | 0 - 99.9 seconds (Auto Reset Mode) |
| Power On Delay | 0.5 - 99.9 seconds |
| Size | 35 mm DIN Rail Mount |
| Electrical Configuration | Compatible with 3Ø-4W, 1Ø-2W, 3Ø-3W |
| Supply Voltage Range | 85 - 270V AC/DC |
| Certification | CE Marked |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, the 900EFR-BL-U-CE supports multiple electrical system configurations, including 3-phase 4-wire (3Ø-4W), single-phase 2-wire (1Ø-2W), and 3-phase 3-wire (3Ø-3W) systems, enabling versatile application across various installations.
Both the trip relay and pre-alarm relay on the 900EFR-BL-U-CE are independently programmable, allowing users to set specific current thresholds between 10% to 80% of the MCCB frame size and configure timing delays to match unique protection requirements.
The relay offers adjustable response time fixed at 100 ms, trip time delay ranging from 0 to 99.9 seconds, recovery time delay (in auto-reset mode) from 0 to 99.9 seconds, and a power-on delay between 0.5 and 99.9 seconds, enhancing protection precision.
The 35 mm DIN rail mount design facilitates quick and standardized installation in electrical panels, optimizing space and simplifying maintenance and replacement procedures in industrial or commercial environments.
Yes, the device is designed to operate within a wide supply voltage range of 85 to 270V AC/DC, providing flexibility for different power supply infrastructures.
Brand: a s enterprises
Country Of Origin: India
900VPR-BL-U-CE
DigiKey Part Number
4106-900VPR-BL-U-CE-ND
Manufacturer
Selec Controls USA Inc.
Manufacturer Product Number
900VPR-BL-U-CE
Description
3-3W, 3-4W, UNDER / OVER VOLTAGE
Features :
3Ø - 3 Wire, 3Ø - 4 Wire Input
Model Name/Number
900 VPR BL U CE
Current 3A
Output Rating 250V AC
Brand Name Selec
No of Phase 3 Phase
Mounting Type - DIN Rail Mount
Monitors: Over / Under Voltage, Over / Under Frequency, Phase asymmetry, Phase failure, Phase sequence & Neutral loss
Accuracy: ± 1% of Voltage, ± 0.3Hz
Measuring range : 160 to 520V depending on Network selection
Product Variants
Product Code Supply Voltage Certificationt
900VPR-BL-U-CE 85 to 270V AC / DC CE
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