Ascendo Pte Ltd
- Address: 85, Playfair Road #06-02 Tong Yuan Industrial Building Singapore 368000
- Tel: +65 6741 1218
- Email: sales@ascendo.com.sg
© 2026 Ascendo Pte Ltd. All Rights Reserved. Website By Creative eWorld Pte Ltd.
This electromagnetic door holder is designed to securely retain fire-rated and smokeproof doors in an open position while allowing automatic release during emergency situations. Engineered for reliability and compliance with life safety requirements, the device provides a holding force of up to 70kg (140lbs), making it suitable for both single and double smokeproof doors in commercial, industrial, and institutional environments.
Built with a durable zinc armature and a high-temperature protective finish, the door holder is designed to withstand demanding operating conditions while maintaining long-term performance. Supporting both 12VDC and 24VDC operation, it offers installation flexibility and low power consumption. An optional manual door release button is available for added convenience and emergency control.
| Product parameter | Parameter Description |
| Dimensions | 80Lx80Wx103H(mm) |
| Holding Force | 70kg(140Lbs)±10% |
| Voltage | 12/24VDC(Adjustment) |
| Current Draw | 12V/140mA 24V/70mA |
| Suitable for | All Kinds of Single(Double) & Smoke proof Doors |
| Signal Output | NO (Green)/ NC (Yellow)/ COM (White)(YD-602-S) |
| Surface Temp | ≤+20°C |
| Operating Temp | -10 ~ + 55°C (14-131F) |
| Suitable Humidity | 0 ~ 90% (relative humidity) |
| Finishes for Shell | High Temperature Paint and Environmental Protection Zinc |
| Finishes for Armature | Zinc |
| Weight | 1.0kg |
| Certification | CE-EMC FCC EN1155 EN1634-1 |
Certified to CE, EMC, FCC, EN1155, and EN1634-1 standards, this door holder is an ideal solution for fire safety systems, access control integrations, and building management applications where controlled door retention and automatic release are essential.
Designed to work seamlessly with fire alarm and life safety systems, the door holder automatically releases doors during an emergency, helping to contain smoke and fire while supporting safe evacuation procedures.
Keeps doors securely open during normal operations, allowing for easier movement of people, equipment, carts, and wheelchairs through high-traffic areas without compromising safety requirements.
With a holding force of 70kg (140lbs), the device provides dependable door retention, ensuring doors remain securely held in position until release is required.
Available with NO, NC, and COM signal outputs, enabling easy integration with fire alarm systems, access control systems, building management systems (BMS), and monitoring platforms for enhanced operational control.
Low current draw minimizes power requirements, making it an energy-efficient solution for continuous operation in commercial and industrial facilities.
Constructed with corrosion-resistant zinc components and a high-temperature protective finish, the door holder is built to withstand demanding environments and deliver reliable long-term performance.
Compatible with both single and double smokeproof doors, providing a versatile solution for a wide range of building types and door configurations.
Successfully tested for 500 hours of salt spray exposure, making it suitable for environments where resistance to moisture, humidity, and corrosion is critical.
Supports both 12VDC and 24VDC operation, allowing greater installation flexibility and easier integration into existing fire safety and door control systems.
Compliant with CE, EMC, FCC, EN1155, and EN1634-1 standards, ensuring the product meets recognized international requirements for safety, performance, and reliability.
By automatically releasing doors when triggered by a fire alarm or emergency system, the door holder helps maintain compartmentalization, reduce the spread of smoke, and support effective emergency response procedures.
Ideal for office towers, shopping malls, hotels, and mixed-use developments where fire-rated doors must remain open during normal operations while ensuring automatic closure during emergencies.
Suitable for hospitals, medical centres, and healthcare institutions where unobstructed movement is required without compromising fire safety compliance.
Perfect for schools, universities, and training centres that require controlled door retention in corridors, stairwells, and fire escape routes.
Supports smokeproof and fire-rated door applications in factories, warehouses, and production facilities where durability and reliability are essential.
Provides dependable fire door holding solutions for airports, transport hubs, government offices, and public infrastructure projects.
Can be integrated with fire alarm systems, emergency evacuation systems, and access control solutions to ensure automatic door release during alarm activation or power interruption.
Suitable for hotels, serviced apartments, condominiums, and residential complexes requiring compliant fire door management while maintaining convenient access and traffic flow.
© 2026 Ascendo Pte Ltd. All Rights Reserved. Website By Creative eWorld Pte Ltd.
© 2026 Ascendo Pte Ltd. All Rights Reserved. Website By Creative eWorld Pte Ltd.
