The Maxwell MS-1DA48 series is a high-performance, single-phase DC to AC solid state relay designed for reliable and efficient switching in demanding industrial environments. Featuring a wide control input range of 3.2–32VDC and a robust load voltage capacity of 24–480VAC, this panel-mount relay is engineered to seamlessly interface with microcontrollers, PLCs, and other low-voltage logic devices. It utilizes advanced zero-crossing trigger technology and incorporates a built-in RC snubber across all amperage ratings, ensuring noise-free operation and superior protection against transient voltage spikes. Housed in a compact, fire-retardant ABS enclosure and completely sealed with resin for maximum isolation, the MS-1DA4840 series guarantees exceptional durability and safety in harsh environments. With load current options ranging from 10A to 120A, it is the ideal solution for precise control in heating systems, plastic machinery, HVAC, and various automated industrial processes. All models comply with CE, CCC, and RoHS standards.

The Maxwell MS-1AA4840 series is a robust and highly reliable single-phase AC to AC solid state relay engineered for demanding industrial control applications. Designed with a wide control input range of 90–280VAC and a versatile load voltage capacity of 24–480VAC, this panel-mount relay ensures seamless integration into diverse electrical systems operating at 50/60Hz. It features advanced zero-crossing trigger technology and a built-in RC snubber across all amperage ratings, providing exceptional protection against transient voltage spikes and ensuring noise-free, fast-response operation. Housed in a compact, fire-retardant ABS enclosure and completely sealed with resin for maximum isolation, the MS-1AA4840 series guarantees long-lasting performance in harsh environments. With load current options ranging from 10A to 120A, it is the ideal solution for precise control in heating systems, plastic machinery, HVAC, and various automated industrial processes. All models comply with CE, CCC, and RoHS standards.