The KSN600A25-LT Solid State Relay is a high-performance industrial switching device designed for reliable control of AC loads up to 600VAC with a 25A rated current. Built for demanding automation and power control applications, it delivers stable, fast, and maintenance-free switching with enhanced protection features.

This relay utilizes SCR or TRIAC output technology depending on configuration, allowing it to efficiently handle resistive, inductive, and capacitive loads. Its zero-cross or random-on switching capability helps reduce electrical stress, minimize inrush current, and extend the lifespan of connected equipment.

The KSN600A25-LT operates with a wide control input range of 85-280VAC, making it suitable for direct integration into industrial AC control systems without additional interface circuitry. This broad input compatibility ensures flexible use across various automation and control environments.

With a high load voltage rating of 600VAC and a 25A current capacity, this SSR is well-suited for heavy-duty industrial applications such as motor control, heating systems, HVAC equipment, and large-scale power switching systems.

The relay incorporates LED status indication for real-time operational feedback, enabling quick diagnostics during installation and maintenance. Additionally, integrated TVS protection enhances immunity against voltage spikes and transient surges, improving overall system reliability and safety.

Its panel-mounted, IP20 touch-safe housing design ensures safer installation in control cabinets and industrial enclosures. With high dielectric strength rated at 4000VAC RMS, the KSN600A25-LT provides strong isolation between control and load circuits, ensuring long-term operational stability.

Features

Industrial-grade solid state relay (SSR)

25A load switching capacity

600VAC high-voltage output rating

SCR / TRIAC output design

Wide 85-280VAC control input range

Zero-cross or random-on switching modes

LED status indication

TVS surge protection for improved reliability

Panel-mounted IP20 touch-safe housing

High dielectric strength (4000VAC RMS)

Suitable for inductive, resistive, and capacitive loads

Maintenance-free solid-state operation

Specifications

Model: KSN600A25-LT

Device Type: Solid State Relay (SSR)

Output Type: SCR / TRIAC AC Output

Rated Load Current: 25A

Load Voltage: 600VAC

Control Voltage Range: 85-280VAC

Switching Mode: Zero-cross / Random-on

Protection: TVS surge protection

Indicator: LED status display

Mounting: Panel mount

Insulation Strength: 4000VAC RMS

Protection Rating: IP20 touch-safe housing

Applications

Industrial motor control systems

HVAC and heating control

Power distribution switching

Automation control panels

Industrial ovens and heaters

Pumps and compressor control

Factory machinery automation

High-voltage AC load switching

What's in the box
1 x KSN600A25-LT 25A SSR 600VAC SCR TRIAC 85-280VAC Input LED TVS