Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB SPASO11 |
| Manufacturer | ABB |
| Product Category | Safety Relay Module |
| Safety Standards | SIL 3 (IEC 61508), PL e (ISO 13849-1) |
| Contact Configuration | 2 NO (Normally Open) Safety Contacts |
| Contact Rating | 6 A @ 250V AC / 8 A @ 24V DC |
| Operating Voltage | 24V DC (19.2-28.8V) |
| Response Time | ≤20 ms |
| Operating Temperature | -25°C to +60°C |
| Protection Rating | IP20 |
| Mechanical Life | 10 million operations |
| Electrical Life | 100,000 operations (rated load) |
| Connection Type | Screw terminals |
| Certifications | TÜV, CE, UL, cUL |
Product Introduction
The ABB SPASO11 is a high-performance safety relay module designed for critical machine safety applications requiring SIL 3 and PL e safety levels. As part of ABB’s comprehensive safety product portfolio, this compact yet robust safety relay provides reliable monitoring and control of safety circuits in industrial automation systems.
Featuring two positively-driven NO safety contacts with a high switching capacity (6A @ 250V AC), the ABB SPASO11 is particularly suitable for emergency stop circuits, safety gates, light curtains, and other safety-related applications. Its rugged design ensures dependable operation in harsh industrial environments while meeting the most stringent safety standards.
Core Advantages and Technical Highlights
- High Safety Integrity:
Certified for SIL 3 (IEC 61508) and PL e (ISO 13849-1)
Forced-guided contacts (EN 50205) ensure safe failure mode
Redundant circuit design for maximum reliability
- Robust Performance:
10 million mechanical operations for long service life
Wide voltage range (19.2-28.8V DC) for stable operation
-25°C to +60°C operating temperature range
- Easy Integration:
Compact design saves panel space
Clear LED indicators for quick status monitoring
Manual reset option for safety confirmation
- Versatile Applications:
Dual-channel monitoring capability
Cross-circuit detection for wiring faults
Short-circuit protection on outputs
Typical Application Scenarios
The ABB SPASO11 is widely used in:
Machine Safety Systems: Emergency stop circuits, safety interlocks
Robotic Cells: Safety monitoring for collaborative robots
Presses and Stamping Machines: Two-hand control systems
Packaging Machinery: Safety gate monitoring
Material Handling: Conveyor safety controls
In these applications, the ABB SPASO11 ensures compliance with international safety standards while providing reliable protection for personnel and equipment.
ABB SPASO11
Related Model Recommendations
ABB SPASO12: Expanded version with additional contacts
ABB SPASO08: Compact safety relay with 1 NO contact
ABB MSR127: Miniature safety relay for space-constrained applications
ABB XPSMC: Programmable safety controller
ABB DSB193: Safety door switch for complementary protection
Installation, Commissioning and Maintenance
Installation Preparation:
Mount on DIN rail in control cabinet
Ensure proper 24V DC power supply
Follow safety circuit design standards (ISO 13849)
Commissioning Steps:
Verify correct wiring of safety inputs
Check contact operation with test load
Confirm proper LED indication
Perform functional safety test
Maintenance Suggestions:
Annual functional testing of safety circuits
Check contact resistance periodically
Inspect for overheating signs
Replace after 100,000 electrical operations at rated load
Service and Guarantee Commitment
ABB provides:
36-month standard warranty
Global technical support network
Safety engineering consulting services
On-site commissioning assistance (optional)
For critical applications, extended warranty options and safety system audits are available to ensure continued compliance with safety standards.
Conclusion
The ABB SPASO11 safety relay module delivers high-integrity safety performance for industrial machinery protection. With its SIL 3/PL e certification, robust construction, and versatile application capabilities, it serves as a reliable component in modern safety systems across various industries.
