Woodward MRU3-11D Voltage Protection Relay
Woodward MRU3-11D Voltage Protection Relay
Manufacturer: Woodward
Product No.: MRU3-11D
Condition:1000 in stock
Product Type: Voltage Protection Relay
Product Origin: USA
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
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Woodward MRU3-11D Voltage Protection Relay
- Manufacturer: Woodward
- Model/Part Number: MRU3-11D
- Description: AC Voltage Protection Relay, Under/Overvoltage Monitoring, 100_400 VAC, DIN-Rail Mounting, for Low Voltage Applications
Overview
- The Woodward MRU3-11D is a single-phase AC voltage protection relay from the Professional Line, designed for monitoring under- and overvoltage conditions in low voltage applications. It is suitable for power generation, distribution, and industrial systems, offering reliable protection for electrical equipment against voltage fluctuations. The relay is equipped with a precise microcontroller and is designed for DIN-rail mounting, ensuring ease of installation in control panels.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MRU3-11D |
| Series | Professional Line |
| Type | AC Voltage Protection Relay |
| Power Supply | Self-powered from measured voltage (100_400 VAC) |
| Voltage Input | Single-phase, 100_400 VAC |
| Frequency Range | 45_65 Hz |
| Protection Functions | Undervoltage (ANSI 27), Overvoltage (ANSI 59), Phase asymmetry, Phase sequence |
| Setting Range | Undervoltage: 0.7_1.0 x Un; Overvoltage: 1.0_1.3 x Un; Asymmetry: 5_20% |
| Tripping Delay | Adjustable, typically 0.1_10 s |
| Output Relays | 2 change-over contacts (SPDT) |
| Digital Inputs | Not specified (none in basic configuration) |
| Communication | Not specified (none in basic configuration) |
| Operating Temperature | -20°C to +55°C (-4°F to +131°F) |
| Storage Temperature | -30°C to +70°C (-22°F to +158°F) |
| Relative Humidity | 5% to 95%, non-condensing |
| Vibration | 4 G, 5_500 Hz (estimated, based on Woodward standards) |
| Shock | 20 G peak (estimated) |
| Protection Rating | IP40 (housing), IP20 (terminals) |
| Mounting | DIN-rail (EN 60715) |
| Dimensions | Approximately 45 mm x 75 mm x 110 mm (1.77 in x 2.95 in x 4.33 in) |
| Weight | Approximately 0.3 kg (0.66 lbs) |
| Certifications | CE, UL/cUL |
| System Compatibility | Low voltage distribution systems, generators, industrial control panels |
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Product Description
Woodward MRU3-11D Voltage Protection Relay
- Manufacturer: Woodward
- Model/Part Number: MRU3-11D
- Description: AC Voltage Protection Relay, Under/Overvoltage Monitoring, 100_400 VAC, DIN-Rail Mounting, for Low Voltage Applications
Overview
- The Woodward MRU3-11D is a single-phase AC voltage protection relay from the Professional Line, designed for monitoring under- and overvoltage conditions in low voltage applications. It is suitable for power generation, distribution, and industrial systems, offering reliable protection for electrical equipment against voltage fluctuations. The relay is equipped with a precise microcontroller and is designed for DIN-rail mounting, ensuring ease of installation in control panels.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MRU3-11D |
| Series | Professional Line |
| Type | AC Voltage Protection Relay |
| Power Supply | Self-powered from measured voltage (100_400 VAC) |
| Voltage Input | Single-phase, 100_400 VAC |
| Frequency Range | 45_65 Hz |
| Protection Functions | Undervoltage (ANSI 27), Overvoltage (ANSI 59), Phase asymmetry, Phase sequence |
| Setting Range | Undervoltage: 0.7_1.0 x Un; Overvoltage: 1.0_1.3 x Un; Asymmetry: 5_20% |
| Tripping Delay | Adjustable, typically 0.1_10 s |
| Output Relays | 2 change-over contacts (SPDT) |
| Digital Inputs | Not specified (none in basic configuration) |
| Communication | Not specified (none in basic configuration) |
| Operating Temperature | -20°C to +55°C (-4°F to +131°F) |
| Storage Temperature | -30°C to +70°C (-22°F to +158°F) |
| Relative Humidity | 5% to 95%, non-condensing |
| Vibration | 4 G, 5_500 Hz (estimated, based on Woodward standards) |
| Shock | 20 G peak (estimated) |
| Protection Rating | IP40 (housing), IP20 (terminals) |
| Mounting | DIN-rail (EN 60715) |
| Dimensions | Approximately 45 mm x 75 mm x 110 mm (1.77 in x 2.95 in x 4.33 in) |
| Weight | Approximately 0.3 kg (0.66 lbs) |
| Certifications | CE, UL/cUL |
| System Compatibility | Low voltage distribution systems, generators, industrial control panels |
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