The Oil Surge Relay for Transformer is a critical transformer protection device designed to detect sudden internal faults in oil-filled transformers. This advanced Oil Surge Relay (OSR Relay) is widely used in power and distribution transformers to ensure safety, reliability, and uninterrupted performance. As a leading Oil Surge Relay manufacturer and supplier in India, we provide high-quality OSR Relay solutions suitable for various industrial and utility applications.
Installed between the conservator and transformer tank, the Oil Surge Relay for transformer continuously monitors oil flow conditions. In case of abnormal oil movement caused by internal faults, the oil surge relay immediately activates the trip mechanism, making it an essential transformer safety device.
 
What is an Oil Surge Relay?
An Oil Surge Relay is a specialized transformer protection relay that detects sudden oil flow inside the pipeline. During internal transformer faults such as winding failure, insulation breakdown, or short circuit, the oil moves rapidly. The Oil Surge Relay for transformer senses this surge and sends a trip signal to isolate the transformer.
This oil flow relay for transformer plays a vital role in preventing major damage and improving system reliability, making it a preferred choice for transformer manufacturers and electrical industries.
 
Key Features of Oil Surge Relay
High sensitivity Oil Surge Relay for Transformer
Instant fault detection with OSR Relay mechanism
Durable and corrosion-resistant construction
Reliable transformer protection relay performance
Leak-proof and weather-resistant design
Suitable for power and distribution transformers
Low maintenance transformer safety device
 
Working Principle of Oil Surge Relay
The Oil Surge Relay for transformer operates based on oil flow velocity. Under normal conditions, oil circulates smoothly. However, during faults, a sudden surge of oil occurs.
This oil surge relay uses an internal flap mechanism that reacts to oil pressure. When triggered, the OSR relay activates electrical contacts, sending a trip signal to disconnect the transformer. This fast action makes it a highly efficient transformer protection device.
 
Applications of Oil Surge Relay
Power transformer protection systems
Distribution transformer safety
Electrical substations and power plants
Industrial electrical networks
Transformer accessory installations
The Oil Surge Relay for transformer is widely used across industries requiring reliable transformer protection relay systems.
 
Technical Specifications
Oil Surge Relay Body: Cast Aluminum / Cast Iron
Mounting Type: Pipeline Mounted OSR Relay
Contact Type: NO/NC Transformer Protection Relay
Frequency: 50 Hz
Voltage: Control circuit compatible
Application: Transformer protection device
 
Advantages of Oil Surge Relay
Using a high-quality Oil Surge Relay for transformer offers multiple benefits:
Prevents transformer failure due to internal faults
Reduces downtime and maintenance costs
Enhances transformer life and efficiency
Provides fast and accurate fault detection
Ensures reliable transformer safety device performance
 
Oil Surge Relay Supplier in India
We are a trusted Oil Surge Relay supplier in India, offering premium quality oil surge relay for transformer applications. Our OSR relay products are designed as per industry standards and are widely used by transformer manufacturers, EPC contractors, and power sector companies.
As a reliable Oil Surge Relay supplier, we provide competitive pricing, bulk supply, and customized transformer protection relay solutions to meet specific requirements.