Schneider Electric SSL Slim Solid State Relay

Technical Overview

Slim 3.5A DC solid state relay with 15-30V DC control, 1-24V DC output, IP67 rating, and 500 Hz switching. Reliable for industrial control.

Key Features

Space-saving compact design with 5mm width.
Silent and reliable operation with no moving contacts.
Reduces maintenance and downtime costs.
Wide control voltage range (15-30 V DC) for improved process stability.
Plug-in mounting allows for quick replacement and flexible installation on PCB or DIN rail with a socket.
IP67 enclosure for robust protection in harsh industrial environments.
High switching frequency up to 500 Hz for demanding applications.
DC switching with MOSFET output type.
Operating temperature range of -20 to 80 °C.

Technical Specification Matrix

Parameter	Value
Control Circuit Voltage	15 to 30 V DC
Load Current	3.5 A
Output Voltage	1 to 24 V DC
Contact Configuration	SPST-NO (1 Form A)
Switching Mode	DC switching / Zero Crossing
Maximum Operating Frequency	500 Hz
IP Degree of Protection	IP67
Ambient Air Temperature for Operation	-20 to 80 °C
Ambient Air Temperature for Storage	-20 to 85 °C
Mounting Support	Socket / Plug-in
Input Current Limits	7 mA
Minimum Switching Voltage (Turn-on)	15 V DC
Maximum Switching Voltage (Turn-off)	10 V DC
Maximum Voltage Drop (on-state)	<0.5 V
Output Type	MOSFET
Dielectric Strength	2500 V for input/output
Pollution Degree	2
Overvoltage Category	III
Surge Current	9 A (10 ms)
Maximum Leakage Current	0.001 mA off-state
Response Time (Turn-on)	0.35 ms
Response Time (Turn-off)	0.08 ms
Physical Weight (kg)	0
Dimensions L x W x H (cm)	1.5 x 0.5 x 2.8

Industrial Applications

1. High-Speed DC Solenoid Control in Automated Machinery

The SSL1D03BD is perfectly suited for precise and rapid control of small DC solenoids in automated production lines, such as those used for pneumatic valves or ejectors. Its capability to switch DC loads up to 3.5A at 500Hz, combined with its compact 5mm width, enables high-density integration in control cabinets.

Problem Solved

Traditional electromechanical relays have limited switching cycles and slower response times, leading to increased wear and tear and hindering high-speed automation. This solid-state relay provides silent, reliable, and high-frequency DC switching, extending operational life and improving machine throughput.

High-speed switchingDC loadSolenoid controlAutomationCompact design500 Hz switching frequency3.5A load current

2. Industrial LED Lighting Control in Harsh Environments

For controlling 24V DC industrial LED lighting strips or indicators in areas exposed to dust, water spray, or high humidity, the SSL1D03BD's IP67 rating ensures robust protection and reliable operation. Its 3.5A load capacity allows for switching multiple LED segments or a single powerful LED fixture.

Problem Solved

Standard relays can fail in harsh industrial environments due to the ingress of contaminants, leading to unreliable lighting or complete system failures. The IP67 rating of this SSR guarantees consistent performance in challenging conditions, reducing maintenance and enhancing safety.

IP67 protectionDC lightingIndustrial environmentHarsh conditionsLED control24VDC output3.5A load current

3. Low-Power DC Motor Reversing in Robotics and Conveyors

Multiple SSL1D03BD relays can be efficiently configured in an H-bridge arrangement for silent and precise DC motor reversing in low-power applications, such as robotic grippers, indexing mechanisms, or light-duty conveyor systems, handling motors up to 3.5A. The 15-30V DC control voltage is directly compatible with standard industrial PLC outputs.

Problem Solved

Electromechanical relays in motor control circuits are prone to contact wear and arcing during frequent reversing operations, which reduces lifespan and can lead to system malfunctions. Solid-state switching offers wear-free and silent operation, significantly extending the life of the control circuit and connected motors.

DC motor controlRoboticsConveyor systemsH-bridge configurationPLC interfaceWear-free switching3.5A load current1-24VDC output