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The ABB SR511 is a high-performance industrial solid-state relay designed for precision control of resistive and inductive loads. It provides reliable switching in industrial automation systems, process control, and heating applications. Its compact design, robust construction, and wide voltage compatibility make it a preferred choice for modern industrial automation.
The product is specifically designed to handle high currents, operate under challenging industrial conditions, and provide long-term reliability with minimal maintenance. It is suitable for both AC and DC load switching in continuous or pulsed operations.
| Parameter | Specification |
|---|---|
| Model | ABB SR511 (3BSE000863R1 / 3BSE000863R0001) |
| Type | Solid-State Relay (SSR) |
| Control Voltage | 24–240 V AC/DC |
| Load Voltage | 24–480 V AC |
| Max Load Current | 10 A (continuous) |
| Switching Type | Zero-cross / Random turn-on selectable |
| Insulation Voltage | 2500 V AC between control and load |
| Isolation | Optical isolation between input and output |
| Operating Temperature | -20 °C to 70 °C |
| Storage Temperature | -40 °C to 85 °C |
| Mounting | DIN rail or panel mount |
| Dimensions (L×W×H) | 90 × 35 × 60 mm |
| Weight | 0.25 kg |
| Response Time | ≤ 10 ms |
| Approvals | CE, UL, RoHS compliant |
The ABB SR511 is commonly used in:
Industrial automation control systems
Resistive and inductive heating control
Temperature control systems in furnaces and ovens
Motor and pump switching in factory automation
Lighting and HVAC systems
Robotics and assembly line control
Continuous and batch process control in chemical and pharmaceutical industries
High Reliability: Solid-state switching ensures long operational life with minimal mechanical wear.
Compact Design: Easy integration into control panels and industrial cabinets.
Wide Voltage Compatibility: Operates efficiently across a broad range of control and load voltages.
Fast Switching: Suitable for rapid cycling applications without degradation.
Safety Compliance: Conforms to international standards for industrial safety and isolation.
Low Maintenance: No moving parts reduce downtime and maintenance costs.
Flexible Mounting: Can be mounted on DIN rail or panels for versatile installation.
Brand: ABB
Series: SR Series (Solid-State Relays for industrial automation and heating control)
| Model | Control Voltage | Load Voltage | Max Load Current | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SR521 | 24–240 V AC/DC | 24–480 V AC | 15 A | 90 × 35 × 60 | 0.28 |
| SR531 | 24–240 V AC/DC | 24–480 V AC | 25 A | 100 × 40 × 65 | 0.35 |
| SR541 | 24–240 V AC/DC | 24–600 V AC | 10 A | 90 × 35 × 60 | 0.27 |
| SR551 | 24–240 V AC/DC | 24–480 V AC | 40 A | 120 × 50 × 80 | 0.50 |
| SR561 | 24–240 V AC/DC | 24–600 V AC | 60 A | 140 × 60 × 90 | 0.75 |
| Model | Control Voltage | Load Voltage | Max Load Current | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| D16 | 24–240 V AC/DC | 24–480 V AC | 16 A | 85 × 30 × 55 | 0.23 |
| D25 | 24–240 V AC/DC | 24–480 V AC | 25 A | 90 × 35 × 60 | 0.30 |
| D40 | 24–240 V AC/DC | 24–600 V AC | 40 A | 120 × 50 × 80 | 0.52 |
| T7 | 24–240 V AC/DC | 24–480 V AC | 7 A | 70 × 25 × 45 | 0.18 |
| T9 | 24–240 V AC/DC | 24–600 V AC | 9 A | 80 × 30 × 50 | 0.20 |
Q1: What is the maximum load current for ABB SR511?
A1: The maximum continuous load current is 10 A.
Q2: Can it be mounted on a DIN rail?
A2: Yes, the ABB SR511 supports both DIN rail and panel mounting.
Q3: What is the control voltage range?
A3: The control voltage range is 24–240 V AC/DC.
Q4: What type of switching does it support?
A4: It supports zero-cross and random turn-on switching.
Q5: What are the operating temperature limits?
A5: The operating temperature is -20 °C to 70 °C.
Q6: Does it provide electrical isolation?
A6: Yes, it has optical isolation between input and output with 2500 V AC insulation.
Q7: Is the ABB SR511 suitable for inductive loads?
A7: Yes, it can handle both resistive and inductive loads.
Q8: What are its dimensions and weight?
A8: Dimensions are 90 × 35 × 60 mm and weight is 0.25 kg.
Q9: Is it CE and UL compliant?
A9: Yes, it meets CE, UL, and RoHS standards.
Q10: How fast is the switching response?
A10: The response time is ≤ 10 ms, suitable for rapid switching applications.