Safegate SMO 303 Type 4 Safety Light Curtains Replacement – Ideal Access Protection for High-Risk Industrial Applications
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- Zoe
- Issue Time
- Feb 6,2025
Summary
The Safegate SMO 303 Type 4 safety light curtain is certified to EN 61496, EN 61508 (SIL 3), EN 62061 (SILCL 3), and EN ISO 13849-1 (PL e - Cat. 4), making it ideal for ensuring safety in high-risk industrial environments.

SMO 303 Type 4 Safety Light Curtains Replacement
Hand detection safety light curtain with integrated muting function. Automatic/manual restart and EDM. Equipped with an integrated status indicator.
Safety Level: Type 4 - PL e
Resolution: 30 mm, suitable for hand protection
Cross-Section Dimensions: 50 x 55 mm
Protective Height: 310 mm
Maximum Operating Range: 12 m
Package Contents: Emitter, Receiver and Standard Fastening Brackets
DADISICK Offers Custom Safety Light Curtain Solutions
In industrial production, standard safety light curtains often cannot meet the protection requirements of equipment or work areas with special shapes. DADISICK’s custom-shaped safety light curtain services are specifically designed for these unique scenarios, providing precise and efficient protection to reduce the risk of personal injury and ensure safe and stable production.
Based on the unique shapes of equipment or work areas (such as arc, L-shape, U-shape, etc.), DADISICK can design safety light curtains that perfectly match, meeting the strict detection accuracy requirements of various applications. This ensures timely and accurate detection of people or objects entering hazardous areas.
Customized L-Shaped Light Curtain

Customized U-Shaped Light Curtain

Application Cases


Your Possible Solutions
TYPE 4 Certification: DADISICK safety light curtains comply with TYPE 4 certification standards, ensuring stable and reliable operation even in complex industrial environments with strong electromagnetic interference, intense lighting, etc.
High-Precision Detection: Custom safety light curtains provide precise detection with ultra-fast response times of less than 15 ms, ensuring immediate reaction to potential hazards and offering comprehensive protection for personnel.
Real-Time Self-Testing: The light curtains feature a real-time self-testing function, automatically checking the operating status. If any fault is detected, an immediate alarm is triggered to ensure system safety.
OEM Services: DADISICK offers OEM services, allowing customers to create bespoke branding and providing tailor-made solutions to meet unique requirements. We work closely with our clients to ensure that every safety light curtain is perfectly suited to their specific needs.
QCE Series Universal Safety Light Curtain
• Optical Axis Spacing: 10, 20, 30 mm
• Detection Range: 0.3 - 6 m
• Detection: Fingers, hands
• Security Level: IP65
• Cross-Section Dimensions: 30 x 30 mm
• Widely used in over 80% of equipment such as press machines, hydraulic presses, oil presses, shearing machines, automatic doors, and other hazardous environments.
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Safety Curtain outputs (OSSD):2 PNP