Fire Fighting Motors
Fire Fighting Motors are specialized electric motors designed to drive fire pumps that deliver water or fire-extinguishing agents to suppress fires. They ensure reliable operation during emergencies and are an integral part of fire suppression systems in commercial, industrial, and residential settings.
Features
Durability: Built to withstand harsh environments and extreme conditions.
Reliability: Consistent performance when it matters most.
High Starting Torque: Efficiently powers fire pumps from start to operation.
Corrosion Resistance: Constructed with materials that ensure long-lasting use.
IP55 Protection: High ingress protection against dust and water.
Specifications
Output: 5.5kW to 75kW (7.5HP to 100HP)
Pole: 2 pole
Frame: IEC® 112-280
Standards: IS 12615 / IEC 60034 certified
Power Supply: Standard 415V, 50Hz (custom voltages & frequencies available)
Ambient Temperature: Up to 50°C (higher on request)
Construction: Cast iron with integrally cast feet
Terminal Box: Sheet metal (up to 225) / Cast iron (250 and above)
Connection: Star Less than or equal to 3kW, Delta (Greater than 3kW)
Protection: IP55 (higher classes on request)
Insulation: Class F
Bearings: Ball bearing
Applications
Commercial buildings, industrial facilities, residential complexes, marine and offshore installations, and public infrastructure.
Standard & Certification
Fully compliant with IS 12615 and IEC 60034 standards, guaranteeing safety, quality, and international compliance.
SPDP SR (RW/CW) Motors
Introducing SPDP Fire Fighting Motors, designed for heavy-duty applications in the firefighting industry. These motors ensure reliable operation and can withstand severe mechanical shocks and vibrations. With their robust construction, they guarantee functional efficiency when faced with challenging firefighting environments. SPDP Fire Fighting Motors are the ideal choice for fire pumps and other firefighting equipment, delivering optimal performance during critical situations. Trust in the power and reliability of SPDP motors to protect lives and property, providing peace of mind during fire emergencies.
Features
Improved ventilation technique – Small space requirement
High Pullout Torque – Suitable for demanding applications
Inherent thermal margin – High Performance
Compliance with IEC Class IV duty
Specifications
RW Frame Sizes: RW89 to RW 168
CW Frame Sizes: IEC 450 TO IEC 710
Power Rating: 90kW to 2000 kW
Power Supply: AC 3 Phase 415V, 50 Hz
Pole: 6 to 12
Protection: IP21, IP23 (IS 4691)
Insulation Class: Class F with temperature rise limited to class B
Applications
Rolling mills and cane cutter/cane crusher/cane leveler/cane fiberizer applications.
Smoke Spill Motors
Marathon Electric presents the Smoke Spill Motor, a range of three-phase squirrel cage induction motors designed to perform reliably under extreme conditions. These motors are specifically engineered for smoke spill and smoke control systems in critical applications, such as during fire hazards, ensuring that evacuation can proceed with minimal risk to life. With over 100 years of experience in motor manufacturing, Marathon Electric brings unmatched expertise and quality, backed by rigorous quality control procedures to meet the highest standards of performance.
Technical Specifications
Frame Size: 80M – 280M (For higher frame sizes, refer to works)
Power Rating: 0.37 kW – 90 kW (2 Pole to 6 Pole)
Duty: Continuously rated at 50°C temperature under normal supply conditions before emergency operation
Class of Insulation: H (Temperature rise limited to Class B before emergency)
Mounting: IMB3 / IMB5 or any other type as per requirement
Voltage: 200 – 690 V ±10%
Temperature & Functioning Limits
F250: 250°C for 2 hours
F300: 300°C for 2 hours
F400: 400°C for 2 hours
Applications
Marathon Electric Smoke Spill Motors are designed for a variety of critical applications where smoke control is vital in an emergency, including:
- Public Buildings
- Car Parking Structures
- Sites with Smoke Control Systems
- Jet Fans
- Axial Fans
- Axial Roof Ventilators
- Tunnel Ventilators
- Centrifugal Roof Units
In the event of a fire, these motors help reduce heat loading within the building and ensure that escape routes remain smoke-free, facilitating safe evacuation.
Brake Motors
Marathon Brake Motors are engineered to deliver dependable braking performance in demanding industrial applications. Designed with DC fail-safe brakes, these motors ensure safety and precise stopping power under various operating conditions. Suitable for crane duty and variable speed drive applications, Marathon Brake Motors are built to meet rigorous performance and protection standards.
Technical Specifications
Frame Size: SCV 80 – SCV 160
Starting Type: Direct-On-Line (DOL) / Variable Frequency Drive (VFD)
Ambient Temperature: 45°C / 50°C
Insulation Class: F
Protection Degree: IP-55
Dimensions: Compliant with IS 1231 (Foot mounting) & IS 2223 (Flange mounting)
Brake Type: DC Fail Safe
Brake Rectifier Input/Output : AC In 415V / DC Out 190V
Key Features
Robust DC fail-safe braking system for enhanced safety
Suitable for heavy-duty crane applications
Compatible with VVVF drives for precise speed control
Designed for reliable operation in high ambient temperatures
Applications
Cranes and hoisting machinery
Material handling equipment
Industrial automation systems
Variable speed drive setups requiring fail-safe braking
Standards & Certification
Dimensions conform to IS 1231 and IS 2223 standards
IP-55 protection ensures resistance against dust and water ingress
Insulation Class F for enhanced motor durability and longevity
Available options for S2 rated Flameproof (FLP) brake motors on request