OTI & WTI

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OTI & WTI Specification

Output
Analog display, control relay contacts

Usage
Transformer protection and monitoring

Display Type
Analog Dial

Operating Temperature
-10C to +55C

Sensors Specification
PT100 RTD sensor input

Input
RTD sensor/PT100 type

Features
High accuracy, reliable operation, multiple relay setpoints

Power Supply
Auxiliary supply required, as per model

Components
Mechanical dial, RTD, relay contacts

IP Rating
IP54 (front panel)

Interface
Panel mount, external sensor connection

Power Source
Auxiliary AC supply

Product Type
Oil Temperature Indicator (OTI) and Winding Temperature Indicator (WTI)

Application
Power Transformers

Rated Voltage
24V / 110V / 220V AC

Supply Voltage
As per rated voltage selection

Size
Standard size/Custom mounts as per transformer

Dimension (L*W*H)
Approx. 144 mm x 144 mm x 65 mm

Function
Indicate transformer oil and winding temperatures in power transformers

Color
Black/White body with color-coded dials

Weight
Approx. 1.5 kg

Capacity
Suitable for various transformer capacities

Thickness
Standard panel mount thickness, approx. 65 mm

Current Rating
2A relay output

Frequency
50 Hz/60 Hz compatible

Alarm Setting
Adjustable, user programmable

Body Material
High grade molded polymer / sheet metal

Mounting Type
Flush / Panel mounting

Pointer Type
Knife edge pointer for precision reading

Dial Range
0°C to 150°C

Contact Rating
5A at 250VAC / 5A at 30VDC

Cable Entry
Rear terminal connections

Relay Contacts
1NO+1NC, configurable for alarms and trip

About OTI & WTI

Elevate transformer protection with the stellar OTI & WTI featuring 1NO+1NC relay contacts, configurable for alarms and trip functions. This cost-effective instrument offers triumphant performance in monitoring transformer oil and winding temperatures, ensuring reliable operation through valorous accuracy. Specially designed for panel or flush mounting, its featured knife-edge pointer and analog dial enable precise readings within a 0C150C range. Crafted from high-grade molded polymer and sheet metal, its robust structure supports custom configurations, user-programmable alarms, and color-coded dials. Ideal for various power transformer capacities.

Application, Use & Competitive Edge

OTI & WTI is expertly engineered for deployment in power transformer stations, distribution facilities, and substations, ensuring accurate temperature indication for transformer oils and windings. Its direction of use is straightforward with panel mounting and rear cable entry for seamless integration. Users benefit from multiple relay setpoints and high precision, giving this device a competitive edge over conventional models and enabling triumphant transformer protection and monitoring in diverse electrical infrastructures.

Sample, Policy & Certifications

Samples of OTI & WTI are available upon request, with a clear estimate provided for transportation and packaging. Our sample policy ensures prompt delivery and comprehensive support for evaluation. All products meet requisite certifications and standards to guarantee reliable operation and safety. Each unit is carefully packaged to withstand transit challenges, reflecting our commitment to quality from manufacture to delivery. Certificates are provided for further assurance to distributors and buyers.

FAQs of OTI & WTI:

Q: How is the OTI & WTI installed in power transformers?

A: The OTI & WTI can be flush or panel mounted on electrical cabinets, with rear terminal connections and an external RTD sensor for precise temperature measurement.

Q: What primary function does the OTI & WTI serve?

A: It accurately indicates transformer oil and winding temperatures for power transformers, triggering alarms or trips when temperature thresholds are exceeded, ensuring enhanced protection.

Q: When should the alarm settings be adjusted?

A: Alarm settings can be adjusted whenever transformer operating conditions change, ensuring the system is dynamically responsive and protective at all times.

Q: Where are OTI & WTI devices commonly used?

A: These instruments are commonly used in substations, power generation plants, and transformer manufacturing units for monitoring and protecting electrical transformers.

Q: What process is followed to request a sample?

A: Interested customers can request a sample directly from distributors or manufacturers, who will provide an estimate for transportation and coordinate packaging and delivery details.

Q: How does using a high-grade body material benefit the application?

A: The use of high-grade molded polymer and sheet metal ensures durability, resistance to environmental factors, and long life, crucial for challenging power transformer environments.

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