
Product Introduction
The Woodward IRI1-I5E05D is an industrial-grade earth fault relay designed to detect ground faults in electrical systems. It provides reliable protection for generators, motors, and industrial power networks by quickly detecting leakage currents and triggering alarms or system shutdowns.
This relay is widely used in power generation, industrial automation, and critical electrical installations where ground fault detection is essential for operational safety and equipment protection. Its precise sensing mechanism ensures minimal false trips and high reliability in harsh environments.
Product Specifications
| Parameter |
Specification |
| Model |
IRI1-I5E05D |
| Product Type |
Earth Fault Relay |
| Function |
Detects earth/ground faults in AC systems |
| Rated Voltage |
220–480 VAC (system dependent) |
| Trip Current Range |
Configurable, typically 5–50 mA |
| Trip Time |
Adjustable, typically 0.05–0.5 s |
| Operating Frequency |
50/60 Hz |
| Output Contacts |
Normally open (NO) / Normally closed (NC) relay contacts |
| Response Accuracy |
±5% of set point |
| Operating Temperature |
−20°C to +60°C |
| Storage Temperature |
−40°C to +85°C |
| Dimensions |
260 × 72 × 138 mm |
| Weight |
1.5 kg |
| Environmental Protection |
IP20 (standard enclosure) |
| Mounting |
Panel mount or DIN rail compatible |
| Reliability |
Industrial-grade components with high operational stability |
Product Applications
-
Ground fault protection for generators and motors
-
Industrial electrical system safety and monitoring
-
Preventing damage to critical electrical equipment due to leakage currents
-
Power distribution networks in factories and process plants
-
Emergency shutdown integration for fault conditions
-
Monitoring of transformers and switchgear
-
Enhancing safety in high-voltage and medium-voltage systems
Product Advantages
-
Fast Fault Detection: Rapid detection of ground faults prevents equipment damage.
-
Adjustable Settings: Configurable trip current and time for customized protection.
-
High Reliability: Industrial-grade components ensure consistent performance.
-
Versatile Installation: Can be mounted on panels or DIN rails.
-
Wide Compatibility: Suitable for AC systems from 220 to 480 VAC.
-
Minimizes False Trips: High sensing accuracy reduces nuisance alarms.
-
Compact Design: Moderate size (260 × 72 × 138 mm) suitable for control panels.
-
Enhanced Safety: Provides critical protection for personnel and equipment.
FAQ
-
What is the primary function of the IRI1-I5E05D?
It detects earth faults and triggers alarms or protective actions in AC electrical systems.
-
What is the rated voltage range for this relay?
220–480 VAC depending on system configuration.
-
How quickly does it respond to a fault?
The trip time is adjustable, typically between 0.05 and 0.5 seconds.
-
Can the trip current be adjusted?
Yes, it is configurable, typically in the range of 5–50 mA.
-
What type of output does the relay provide?
It provides normally open (NO) and normally closed (NC) relay contacts.
-
Is this relay suitable for industrial environments?
Yes, it is designed with industrial-grade components and can operate reliably under harsh conditions.
-
How is the relay installed?
It can be mounted on panels or DIN rails, depending on installation requirements.
-
Can it be used for motor protection?
Yes, it is ideal for generator and motor earth fault protection.
-
Does it prevent false trips due to transient currents?
Yes, adjustable trip settings minimize false alarms.
-
What is the operating temperature range?
−20°C to +60°C for normal operation, with storage up to −40°C to +85°C.
Recommended Related Models (Same Series or Function)
| Model |
Function |
Dimensions (mm) |
Notes |
| IRI1-I5E05D |
Earth Fault Relay |
260 × 72 × 138 |
Standard industrial earth fault relay |
| IRI1-I5E05C |
Earth Fault Relay |
260 × 72 × 138 |
Alternate trip current configuration |
| IRI1-I5E10D |
Earth Fault Relay |
260 × 72 × 138 |
Higher trip current range |
| IRI1-I5E10C |
Earth Fault Relay |
260 × 72 × 138 |
Compact panel mount version |
| IRI1-I5F05D |
Earth Fault Relay |
260 × 72 × 138 |
Enhanced sensitivity variant |
| IRI1-I5F10D |
Earth Fault Relay |
260 × 72 × 138 |
For medium-voltage systems |
Popular Woodward Models (Same Brand)
| Model |
Function |
Dimensions (mm) |
Notes |
| IRI1-I5C05D |
Earth Fault Relay |
260 × 72 × 138 |
Standard industrial model |
| IRI1-I5C10D |
Earth Fault Relay |
260 × 72 × 138 |
Higher trip current range |
| IRI1-I5E01D |
Earth Fault Relay |
260 × 72 × 138 |
Low-current sensitive version |
| IRI1-I5E02D |
Earth Fault Relay |
260 × 72 × 138 |
Adjustable trip and delay |
| IRI1-I5F01D |
Earth Fault Relay |
260 × 72 × 138 |
Enhanced safety features |
| IRI1-I5F05C |
Earth Fault Relay |
260 × 72 × 138 |
Compact DIN-rail mount |
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