OHE High Voltage Presence Absense Indicator System

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OHE High Voltage Presence Absense Indicator System

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OHE High Voltage Presence Absense Indicator System Specification

Display Type
LED Indication (Red for Live, Green for Dead)

Product Type
OHE High Voltage Presence Absense Indicator System

Output Frequency
50 Hertz (HZ)

IP Rating
IP54 (Dust and Splash Proof)

Efficiency
Highly Efficient, Consumes Minimum Power for Sensing and Indication

Shape
Rectangular Box with Front Panel Indication

Size
Approx. 250 mm x 120 mm x 90 mm

Weight
Approx. 1.2 kg Kilograms (kg)

Warranty
1 Year

Material
Mild Steel

OHE High Voltage Presence Absense Indicator System Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
100 Pieces Per Month

Delivery Time
7 Days

About OHE High Voltage Presence Absense Indicator System

High voltage presence / absence indication system is used to check for the absence or presence of voltage on overhead lines electrical safety is imperative in all areas of power transmission and distribution at all voltage levels. There are three different color indications for three different conditions. Three conditions are as follows,

Voltage is present in OHE line
RED indication
Voltage is absent in OHE line
Green indication
Sensor fail / Sensor connecting cable failure Yellow indication.

High voltage sensor:

Voltage detection range: 230V - 33KV.
Non contact voltage sensing.
Sensor Operating voltage : 12VDC
Provide 3 Output signals : Voltage present in OHE
Voltage absent in OHE

Sensor failure

Indication system:
Three color LED light indication.
Provide 3 indications as per received signal from sensor as follows,
Voltage present in OHE - Red
Voltage absent in OHE - Green
Sensor failure Yellow

Control Panel :

As per received response from the sensor it will turn ON the LED
Indication to indicate the status of the OHE line.
Input Supply: 1 phase, 230Vac, 50 Hz.

Technical Specifications / Scope of work :

The system can be fixed for each Pit lines with dual indication in Green & Red light for operation of ON and OFF OHE supply.
The system consists of non-contact type Sensor, control panel with visual indication system.
The non-contact type sensor can sense the presence and absence of voltage from the distance 1.5 meter to 2 meter
Sensing voltage Range : 230V 33KV
Operating voltage : 18KV 27KV
Contactless sensing : 1.5 meter to 2 meter
System has three output conditions:
OHE ON OHE charged power present.
OHE OFF IF the OHE voltage is grounded by provision of discharge rod (Non potential)
Sensor failure In case of sensor failure, it must give output non potential (yellow indication)
Control panel consist of :
Suitable control card, power supply, display.
LED indicator: Dual side indication
Size of the indicator: 12 X 6
Operation: When OHE is charged, RED light will ON & when OHE is OFF, GREEN light will ON. In case of sensor failure, Yellow light will ON to ensure safety.

Reliable High Voltage Detection for OHE Lines

Designed to meet railway standards, this indicator system ensures quick and clear detection of high voltage presence or absence in OHE lines. Its vibrant LED display, visible from substantial distances, keeps operational staff aware of electrical status and improves site safety.

Durable, Maintenance-Free Construction

Equipped with a weather-resistant powder coated or FRP enclosure and rated IP54 for dust and splash protection, the device withstands harsh environments. With a service life exceeding ten years and no routine maintenance requirements, it delivers cost-effective performance and dependable operation.

Efficient Operation with Safety Compliance

Operating on minimal power and synchronizing with OHE line frequency, the indicator is engineered for low power output, making it both energy-efficient and exceptionally safe. Full adherence to IS-13947 and IEC 61243 standards further ensures compatibility and protection across railway networks.

FAQ's of OHE High Voltage Presence Absense Indicator System:

Q: How does the OHE High Voltage Presence Absence Indicator System work?

A: The system senses and displays the presence or absence of high voltage in railway overhead equipment lines using clear LED indicators (red for live, green for dead) and optional buzzer alarms for added audio notification.

Q: What is the visible range for the LED indication on this device?

A: The LED indicator can be visibly detected from distances of 10 to 15 meters, ensuring clear status verification even in large railway areas.

Q: When should this indicator system be installed in railway OHE networks?

A: It is recommended for installation during new OHE construction, routine upgrades, or wherever high voltage status monitoring is essential for safety and maintenance operations.

Q: Where can the indicator be mounted, and what options are available?

A: The device supports flexible installation and can be mounted on walls or panels, making it suitable for various substation or trackside locations across different railway infrastructure.

Q: What is the process for connecting cables to the system?

A: Safe cable entry is facilitated via a gland provided on the enclosure, ensuring secure and reliable system wiring while minimizing exposure to environmental elements.

Q: How does its maintenance-free design benefit users?

A: Engineered for long-term, maintenance-free operation, it provides uninterrupted service and reduces operational costs over its ten-year lifespan, enhancing reliability for railway operators.

Q: What compliance and safety standards does this indicator adhere to?

A: The system conforms to IS-13947 and IEC 61243 standards, ensuring robust performance and safety for voltage indication applications in railway environments.

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