Stamford S1L2-J41 Alternator

The Stamford S1L2-J41 Alternator is a compact, high-efficiency power generation solution engineered for performance, reliability, and long service life. Manufactured by Stamford, a globally recognized brand in alternator technology, this unit is well-suited for prime and standby power applications in commercial, industrial, and agricultural settings.

Specifications

• Type: Brushless AC synchronous alternator
• Voltage Output: Configurable voltage (commonly 120/240V, 220/440V, 277/480V)
• Frequency: 50 Hz or 60 Hz operation
• Phase: 3-phase or single-phase capable
• AVR: Self-excited with built-in Automatic Voltage Regulator (AVR)
• Insulation Class: H (high thermal endurance)
• Protection Rating: IP23 standard (open drip-proof)
• Cooling: Self-ventilated with fan-assisted air cooling
• Bearings: Single bearing (standard), double bearing optional
• Mounting: SAE standard adaptable mounting
• Excitation System: Self-excited
• Standards: Complies with IEC 60034, NEMA MG1, BS5000, and ISO 8528-3

Key Features and Technical Specifications

The S1L2-J41 features a brushless design with a self-exciting AVR (Automatic Voltage Regulator) system for stable voltage output and low maintenance needs. It supports a wide voltage range and is rated for continuous operation at various load levels. With a robust construction and optimized cooling system, this alternator is built to endure harsh environments and demanding workloads.

Applications and Use Cases

This alternator is commonly used in backup power systems, portable generators, construction sites, small-scale industrial equipment, and remote off-grid operations. Its ability to maintain voltage stability even under load fluctuations makes it ideal for sensitive equipment. Whether powering agricultural machinery, temporary site offices, or telecommunications infrastructure, the S1L2-J41 provides peace of mind through uninterrupted power.