Palex

The Gas Leakage Alarm Panel is a reliable and user-friendly central control unit designed for detecting and alerting in case of gas leaks. Built to comply with ERTL Standards, this panel is suitable for industrial and commercial environments requiring continuous gas leak surveillance.

It supports connection with gas leak detectors, manual call points, and audio-visual indicators such as hooters or bells. Each zone operates independently and can be disabled manually if required.

Speak to our fire safety expert to learn more about this product.

Product Description

1. General Data

ParameterDetails
ManufacturerPalladium Safety Solutions Pvt. Ltd.
Trade Mark / BrandPALEX
TypeGas Leakage Alarm Panel

2. Technical Specifications

2.1 Electrical Specifications

SpecificationDetails
AC Input220V AC, 50/60Hz, Tolerance +10% / -15%
DC Output24V DC Typical
Voltage for MCU5V DC
Standby Current (PSE)450mA
Maximum Current (PSE)1A (Excluding Battery Charging)
Battery Charging CurrentMaximum 1.85A, Current Limited
Auxiliary Output24V DC ±10%, 100mA Maximum, Current Limited, Monitored

Stable Power Management

The panel operates on a 220V AC power supply and provides regulated DC outputs for connected devices and monitoring systems.

Auxiliary Power Output

The integrated 24V DC auxiliary output supports external devices with monitored and current-limited protection.

Efficient Battery Charging

An intelligent charging circuit supports backup battery operation while protecting against excessive current flow.

2.2 Battery Specifications

SpecificationDetails
Battery Type2×12V / 7Ah Sealed Lead Acid Gel Batteries
Low Voltage Cutoff21V

Reliable Backup Power

The panel utilizes dual 12V, 7Ah sealed lead-acid batteries to maintain operation during power failures.

Low Voltage Protection

The integrated low-voltage cutoff function protects batteries from excessive discharge and extends battery life.

2.3 Zone and Detector Capabilities

SpecificationDetails
Detectors Allowed Per Zone20 (Excluding MCPs)
Zone Alarm Current6mA Minimum / 27mA Maximum

Multiple Detector Support

Each zone can accommodate up to 20 gas detectors, enabling wide-area monitoring.

Flexible Zone Configurations

Available in 2-zone, 4-zone, 6-zone, and 8-zone configurations to meet different site requirements.

2.4 Outputs

SpecificationDetails
Sounder Output2×0.75A
Fire Relay1A / 30V DC Maximum
Fault Relay1A / 30V DC Maximum

Dual Sounder Outputs

Provides dedicated outputs for bells, hooters, and other alarm notification devices.

Relay Integration

Fire and fault relay outputs allow integration with external monitoring and automation systems.

2.5 Communication

SpecificationDetails
Protocol2-Wire RS485 Bus System

RS485 Communication

The panel utilizes a reliable RS485 communication protocol for stable system connectivity and data transmission.

2.6 Fuse Specifications

SpecificationDetails
AC Power Fuse1A / 250V, 5×20mm Glass Tube
DC Power Fuse1A / 250V, 5×20mm Glass Tube

Enhanced Circuit Protection

Integrated fuses protect the system from electrical faults and overcurrent conditions.

2.7 Environmental Conditions

SpecificationDetails
Temperature-5°C to +40°C (23–F to 104–F)
Humidity5% to 95% RH, Non-Condensing
Environmental ClassClass A

Reliable Environmental Performance

The panel is designed for stable operation across a wide range of temperatures and humidity conditions.

2.8 Terminal Specifications

SpecificationDetails
Terminal Block RatingSuitable for 12 to 19 AWG (0.75–2.5 mm–)

Flexible Wiring Options

Supports standard industrial cable sizes for convenient installation and maintenance.

3. Key Features

  • Gas Leak Detector Inputs – supports up to 2 gas leak detectors per zone.
  • Multiple Zone Availability – 2, 4, 6, and 8-zone models.
  • Alarm Device Outputs – dual bell outputs, fire relay, and fault relay.
  • Auxiliary Power Supply – regulated 24V DC with current limiting and resettable protection.
  • Automatic Power Switching – mains and backup battery supply.
  • Intuitive User Controls – independent buttons and LED indicators.
  • Access Control Features – multiple access levels.
  • Fault Supervision – monitors inputs, outputs, power, fuses, and system status.
  • Zone Disable Function – individual zones for maintenance or testing.
  • Evacuation Mode – fire drill simulation and emergency preparedness.
  • Silence Function – temporarily mutes sounders and buzzers.

4. Applications

  • Industrial Facilities – chemical plants, gas filling stations, processing facilities, and manufacturing units.
  • Commercial Kitchens – hotels, restaurants, and food processing operations.
  • Laboratories – research facilities handling combustible gases.
  • Residential Complexes – apartments, gated communities, and centralized gas systems.
  • Boiler and Utility Rooms – power generation, heating plants, and utility installations.
  • LPG and CNG Storage Areas – storage warehouses, bottling facilities, and vehicle fueling stations.

5. Compliance and Certification

CertificationDetails
Design StandardERTL Compliant
Company CertificationISO 9001:2015 Certified

ERTL Compliance

Designed to meet ERTL compliance requirements for safety and reliability.

Quality Assurance

Manufactured by an ISO 9001:2015 certified company following established quality management practices.

6. Warranty

Warranty Period

1 Year from the Date of Invoice

Warranty Coverage

  • Manufacturing Defects
  • Product Failures Under Normal Usage Conditions

Warranty Excludes

  • Improper Installation or Handling
  • Physical Damage or Tampering
  • Operation Beyond Specified Electrical Limits
  • Natural Disasters or Accidents
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