Residential & Commercial

Find protection and management solutions for residential and commercial solar power battery energy storage systems (BESS). This block diagram highlights Littelfuse components that provide cell-level, battery pack, and unit-level protection against overcurrent events, voltage surges, temperature spikes, and arc flashes. We also make contactors, power converters, and dc disconnect switches for BESS.

Block Diagram

Technology:
Product Series:501A, 881
Features:Fast response to fault current; surface mount device
Benefits:Excellent temperature stability and performance reliability; compact design

Technology:
Product Series:438A, 441A, 521
Features:Fast response to fault current; surface mount device
Benefits:Excellent temperature stability and performance reliability; compact design

Technology:
Product Series:
Features:Meets IEC standards for ESD protection
Benefits:Excellent clamping capability; fast response time

Technology:
Product Series:TLS, JLLN, CNN
Features:Extremely current-limiting; small footprint; 200 kA interrupting rating
Benefits:Reduces damage to equipment caused by short circuit currents; compact design

Technology:
Product Series:PSX, ESR
Features:High DC voltage rating up to 1500 VDC; extremely fast-acting; compact form-factor
Benefits:Lower I2t performance allows for quick response to protect devices from higher heat energy

Technology:
Product Series:
Features:Meets IEC standards for ESD protection ; low leakage current and clamping voltage
Benefits:Ensures reliability of the equipment without performance degradation