At Prim Engineering Works, we manufacture a comprehensive range of Conventional and Addressable Fire Alarm System components. Crafted in both plastic and metal variants to suit every environment and application. Each product is engineered to deliver accurate detection, quick response, and long-term reliability, ensuring complete fire safety for any application.
Mannul call point (MCP)

A Manual Call Point (MCP) allows users to manually trigger the fire alarm in case of an emergency. Designed with a break-glass or resettable mechanism, it ensures fast, visible activation
Manual Call Point (MCPs)
Operating Voltage: 24V DC (Conventional)
• Reset Type: Glass
• Indicator: LED for alarm status
• Material: MS Metal
• Mounting: Surface/Flush
• Compliance: EN 54
• Colour: Red
MCP in plastic

The Manual Call Point (MCP) is a fire alarm device that allows individuals to manually trigger the fire alarm system during an emergency. The plastic variant is lightweight, durable, and corrosion-resistant, making it suitable for indoor installations in offices, commercial spaces, and industrial buildings.
Material: High polycarbonate plastic
Colour: Red (standard), with clear markings
Activation Method: Break glass or resettable element
Operating Voltage: 24V DC
Current Rating: <100mA
Mounting: Surface or flush
Operating Temperature: -10°C to +55°C
Protection Class: IP44 or higher (indoor use)
2-zone panel

The 2-zone fire alarm panel is designed for small to medium-sized buildings where limited fire detection zones are sufficient. It controls and monitors fire alarm devices like detectors and MCPs across two separate areas. Easy to install and maintain, this panel is ideal for shops, offices, and small warehouses.
Zones: 2 (Conventional)
Material: Metal Cabinet
Power Supply: 230V AC ±10%, 50Hz
Backup Battery: 12V 7Ah (Sealed Lead Acid)
Output: Sounder Output – 24V DC @ 500mA per zone
Indications: Fire, Fault, Power, Zone-wise LEDs
Controls: Mute Buzzer, Reset, Lamp Test, Silence Alarm
4-zone panel

A 4-zone panel is suited for medium to large installations needing more area coverage. It manages up to four detection zones independently, enhancing fire location precision. Suitable for schools, industrial units, and residential complexes.
Zones: 4 (Conventional)
Material: Powder-coated metal cabinet
Power Supply: 230V AC ±10%, 50Hz
Battery Backup: 2 x 12V 7Ah SLA batteries
Sounder Output: 24V DC @ 500mA per zone
Display/Indications: Zone-wise Fire & Fault LEDs, System Status
Control Buttons: Reset, Silence, Buzzer Mute, Drill
Relay Outputs: Fire, Fault, External Hooter
Public Address (PA) System

A Public Address system is used for emergency announcements, evacuation alerts, and general communication within a building. Integrated with fire alarm systems, it ensures voice instructions reach all occupants. Suitable for schools, factories, malls, offices, and large buildings.
System Type: Central Amplifier + Distributed Speakers
Input Power: 230V AC / Backup 24V DC
Amplifier Output: 30W to 500W (as per requirement)
Microphone Type: Handheld or gooseneck with push-to-talk
Speakers: Wall/Ceiling mount or horn speakers (6W/10W/15W)
Zones: Single or multi-zone (expandable)
Frequency Response: 100 Hz – 15 kHz
Material: Metal cabinet for console, ABS body for speakers
Features:
- Mic priority override
- Aux input for BGM
- Fire alarm interface
- Volume control per zone (optional)
Compliance: IS 2266, BIS/CE Certified
Application: Offices, factories, educational institutions, hospitals
4-Wire Looping (Fire Alarm/PA System Cabling)

4-wire looping is used in addressable and integrated fire alarm systems, where two wires handle power and two carry signal/data. It ensures stable communication and proper system function over long distances. Also used in PA systems for voice + power transmission.
Cable Type: 4-core FRLS/FRLSH (Fire Retardant Low Smoke/Zero Halogen)
Core Specification: 1.0mm² / 1.5mm² / 2.5mm² (as required)
Insulation: PVC / XLPE / LSZH
Voltage Rating: 300/500V
Color Code: Red/Black (Power), Blue/White (Signal)
Outer Sheath: PVC or LSZH (Red preferred)
Shielding: Optional (for data noise protection)
Standard: IS 694 / IEC 60332 / EN 50265
Packaging: 90M/100M coil or drum
Application:
- Fire alarm system (addressable loop)
- PA/BGM system
- Security & emergency systems
Hooter in Metal

Fire Alarm Hooters provides a high-decibel audio warning to alert occupants in case of a fire emergency. Designed for fast activation and long-range sound coverage.
• Sound Output: 100-110 dB at 1 meter
• Operating Voltage: 24V DC
• Current Consumption: <150mA
• Housing: ABS, IP44 rated
• Mounting: Wall/Ceiling
• Operating Temp: -10°C to +55°C
• Material: MS Metal
• Colour: Red
hooter in plastic

The plastic fire alarm hooter is an audio signalling device used to alert occupants in case of fire or emergency. Built from polycarbonate plastic, it is lightweight, weather-resistant (for indoor use), and provides loud sound output suitable for commercial and industrial installations.
Material: Polycarbonate plastic
Operating Voltage: 12V / 24V DC (model dependent)
Current Consumption: <100 mA
Sound Output: ≥ 90 – 100 dB @ 1 meter
Mounting Type: Wall-mounted (surface)
Tone Type: Continuous or selectable tone (optional)
Colour: Red (standard)
Operating Temperature: -10°C to +55°C
Hooter for the office in plastic

The white fire alarm hooter is designed for indoor and office environments where a clean and professional appearance is required. Made from high-grade ABS plastic, it delivers reliable audible alerts during emergencies without disrupting the aesthetic of modern interiors.
Material: ABS plastic (flame-retardant)
Colour: White (suitable for office interiors)
Operating Voltage: 12V / 24V DC
Current Consumption: <120mA
Sound Output: ≥ 90 dB @ 1 meter
Mounting Type: Wall or ceiling (surface-mounted)
Tone Type: Soft, continuous or pulsed tone (optional)
Operating Temperature: 0°C to +50°C
Strobe Light

The plastic-body strobe is a visual alerting device used in fire alarm systems. It emits a bright flashing light to alert occupants, especially useful in noisy environments or for people with hearing impairments. Ideal for indoor applications like offices, hospitals, and commercial areas.
Material: Flame-retardant ABS or polycarbonate plastic
Colour: Red or white housing with transparent lens
Flash Type: Xenon or LED-based
Operating Voltage: 12V / 24V DC
Current Consumption: <100mA
Flash Rate: 60–90 flashes per minute
Mounting Type: Wall-mounted (surface)
Operating Temperature: -10°C to +55°C
Ingress Protection: IP44 (indoor use)
Response indicator (RI) metal

Response Indicator (RI) is designed to visually indicate the activation of fire detectors that are installed in concealed, inaccessible, or remote locations such as false ceilings, shafts, or behind decorative panels.
Function: Visual alert for active detector zones
LED Type: High-brightness red LED
Visibility: >10 meters
Wiring: 2-wire, parallel connection to detector base
Power Supply: 24V DC
Mounting Type: Surface or flush mount
Material: MS metal
Colour: White
combine mcp and hooter

The combined MCP with hooter unit integrates a manual call point and audible alarm into a single compact device. It allows users to manually trigger the alarm while simultaneously sounding a loud hooter to alert nearby occupants. Made from high-quality MS, it is ideal for schools, offices, shops, and small industrial setups.
Material: High-impact ABS or polycarbonate plastic
Colour: Red (standard)
Operating Voltage: 12V / 24V DC
Current Consumption: <150mA
Activation: Break glass or resettable MCP
Sound Output: ≥ 90 dB @ 1 meter
Mounting Type: Wall-mounted (surface)
Indications: Manual activation + audible alert
Operating Temperature: -10°C to +55°C
Ingress Protection: IP44 (indoor use)
smoke detector

A smoke detector senses smoke particles in the air to identify early signs of fire. Made of fire-retardant plastic, it is widely used in homes, offices, commercial spaces, and indoor industrial environments for early fire warning.
Type: Photoelectric (Optical)
Material: Flame-retardant ABS plastic
Operating Voltage: 9V – 24V DC
Current Consumption: Standby <20µA, Alarm <100mA
Indication: LED blinks in standby, glows in alarm
Alarm Output: Normally open dry contact or signal to panel
Mounting Type: Ceiling-mounted
Operating Temperature: -10°C to +50°C
heat detector

A heat detector senses a rapid rise in temperature or a fixed high temperature to detect fire. Ideal for kitchens, boiler rooms, and dusty areas where smoke detection may not be suitable.
Type: Fixed temperature or rate-of-rise
Material: ABS plastic housing
Operating Voltage: 9V – 24V DC
Alarm Temperature: Fixed at 57°C or 75°C (customizable)
Current Consumption: Standby <15µA, Alarm <60mA
Output Signal: Normally open dry contact
Mounting Type: Ceiling surface mount
Operating Temp.: -10°C to +60°C
multi detector

The multi-detector combines both smoke and heat sensing technologies in one unit, improving accuracy and reducing false alarms. Suitable for areas where both types of fire risks are present.
Type: Photoelectric smoke + rate-of-rise heat
Material: Flame-retardant plastic
Operating Voltage: 9V – 24V DC
Current Consumption: Standby <25µA, Alarm <100mA
Alarm Output: Relay output or signal to fire panel
Indication: LED (blinking/steady)
Mounting Type: Ceiling-mounted
Operating Temp.: -10°C to +55°C
duct detector

A duct detector monitors smoke within HVAC air ducts and triggers alarms if smoke is detected in the airflow. Essential for air-handling systems in commercial buildings, malls, hospitals, and industrial facilities. Typically installed with sampling tubes inside the duct.
Type: Photoelectric smoke sensor in duct housing
Material: ABS plastic or metal enclosure (model dependent)
Operating Voltage: 24V DC
Current Consumption: <100mA
Detection Method: Air sampling from duct airflow
Indications: LED status – Power/Alarm/Fault
Output: Alarm relay (NO/NC), supervisory relay
Sampling Tubes: Adjustable (up to 2.5 ft to 6 ft)
Mounting: Directly on air duct (external with probe inside)
Operating Temp.: 0°C to +50°C
beam detector

Beam detectors cover large open areas like warehouses, auditoriums, and shopping malls. They project an infrared beam across a wide space and trigger an alarm when smoke obstructs the beam.
Type: Optical beam smoke detector (reflective or dual unit)
Range: 5 – 100 meters (model specific)
Operating Voltage: 24V DC
Current Consumption: <50mA (standby), <120mA (alarm)
Alignment: Manual or auto-align (advanced models)
Indications: LED for alignment, fault, and alarm status
Response Time: Typically <10 seconds
Operating Temp.: -10°C to +55°C
Application: Warehouses, malls, airports, atriums, large halls
key box

Fire Alarm Key metal enclosure designed to store emergency keys for fire alarm systems. Built with high-grade materials, it ensures quick access during fire emergencies while maintaining safety and durability
Access Method: Break glass to retrieve key
Application: Emergency fire key access
Glass Type: Breakable Acrylic/Tempered Glass
Mounting: Wall Mounted
Material: MS metal
Colour: Red
junction/back box

Junction Box is designed to securely house fire alarm system wiring and terminations. Its rugged construction ensures reliable protection in all environments.
Ingress Protection: IP 44 (optional higher IP rating)
Application: Cable Termination & Routing
Entry Size: 20mm (standard)
Mounting: Surface or Flush Mounted
Material: MS Metal
Colour: White
hammer

Metal Break Glass Hammer is a compact and reliable tool designed for emergency access to key boxes. Built for durability, it ensures fast and safe break-glass activation when seconds count.
Application: Emergency glass break for key box access
Attachment: Metal chain
Mounting: Chain-attached or Wall-mounted
Material: MS Metal
Colour: Black
fire extinguisher

Fire extinguishers are essential first-response tools used to control or extinguish fires in the early stages. They are available in various types based on the fire risk and environment, including ABC Powder, CO₂, Foam, and Water. Each type is designed for specific fire classes (A, B, C, E) and environments.