SEF Electric Retractable Running Board for Van Bus RV Ambulance | All-Aluminum Slide Step | Door-Linked Auto Deploy | 250kg Load | CE ECE R10 Certified | OEM Available

1. CE / ECE R10 & E-MARK Certified — meets EU type-approval and China GB13094 mandatory standards, ready for direct import into European markets.

2. Full-Aluminum Construction — lightweight yet high-strength frame and step board; excellent corrosion resistance for long-term outdoor exposure.

3. Sealed Guide-Rail System — enclosed track blocks rain, mud, and sand from reaching the drive mechanism, ensuring smooth operation in harsh conditions.

4. Door-Interlock Logic — step deploys automatically when the door opens and retracts when the door closes; no manual intervention required.

5. Anti-Obstacle Auto-Stop — detects obstructions mid-travel and halts immediately to protect passengers and surrounding objects.

6. Tool-Free Emergency Retract — manual override mechanism allows the step to be stowed without any tools in the event of a motor failure.

7. 10-Second Sleep Mode — automatically enters ultra-low standby (<0.1 mA static current) within 10 s of full retraction; minimises battery drain.

8. CAN Bus Compatible — integrates seamlessly with vehicle body control networks for OEM and retrofit installations.

9. 250 kg Load Capacity — engineered for high-traffic commercial vehicles including school buses, tour coaches, RVs, and ambulances.

10. 200,000-Cycle Endurance Tested — patent-protected design validated for long service life; climate and EMC tested.

3. Product Specifications

3.1 General Parameters

3.2 Model Dimensions

Unit: mm — A = Total step height | B = Mounting depth | C = Total step length | D = Step travel | E = Step board depth | F = Step board width