EQDR-B4 | Notifier Two-Tier Vented Door Assembly for Onyx Series Fire Alarm Control Panels

Notifier · Fire & Life Safety

Description  The Notifier EQDR-B4 Two-Tier Vented Door Assembly is a precision-engineered enclosure component designed for Onyx Series fire alarm control panels. This door assembly provides a secure, ventilated front cover for two-tier cabinet configurations, ensuring optimal airflow and system protection.     Technical Specifications  Condition New/Never Used Surplus Brand Notifier Category Fire Alarm Equipment Part Number EQDR-B4 Subcategory Door Assembly Type Two-tier vented door panel Compatible Systems Notifier Onyx Series control panels Cabinet Compatibility EQ-series backboxes (e.g., EQB-4) Material Heavy-gauge steel Finish Red powder coat Ventilation Integrated louvered vents for airflow Access Control Keyed lock mechanism Mounting Hardware Included with assembly Hinge Type Pre-mounted steel hinges Compliance UL and NFPA 72 compatible construction Operating Environment Indoor, dry location installation Dimensions Approx. 28" H × 24" W × 2" D Weight 14.8 lb (6.71 kg)     Information About EQDR-B4 The EQDR-B4 is a two-tier vented door assembly developed by Notifier for use with its Onyx Series fire alarm system enclosures. It is designed to fit compatible EQ-series backboxes, offering ventilation slots to maintain proper heat dissipation for internal modules and electronics. The door assembly includes mounting hardware, hinges, and a keyed lock mechanism for authorized access. Built from heavy-gauge steel and finished in Notifier’s standard red powder coating, the EQDR-B4 ensures both functionality and a consistent appearance in professional fire alarm control installations. Key Features: Two-Tier Design: Provides full coverage for dual-level panel configurations in Onyx systems. Vented Construction: Integrated ventilation slots support thermal management of control electronics. Heavy-Gauge Steel: Ensures long-term durability and structural rigidity. Secure Access: Equipped with a keyed lock mechanism for authorized entry only. Notifier Compatibility: Designed specifically for EQ-series backboxes and Onyx control panels. Professional Finish: Red powder-coated surface maintains consistent fire alarm system aesthetics. Easy Installation: Pre-aligned hinges and hardware simplify mounting and maintenance. UL/NFPA Compliant: Meets industry standards for enclosure safety and reliability. The EQDR-B4 delivers the reliability and precision required for protective and ventilated housing of Notifier Onyx Series control systems.

Brand: Notifier · Category: Fire & Life Safety

Key features

• Two-Tier Design: Provides full coverage for dual-level panel configurations in Onyx systems.
• Vented Construction: Integrated ventilation slots support thermal management of control electronics.
• Heavy-Gauge Steel: Ensures long-term durability and structural rigidity.
• Secure Access: Equipped with a keyed lock mechanism for authorized entry only.
• Notifier Compatibility: Designed specifically for EQ-series backboxes and Onyx control panels.
• Professional Finish: Red powder-coated surface maintains consistent fire alarm system aesthetics.
• Easy Installation: Pre-aligned hinges and hardware simplify mounting and maintenance.
• UL/NFPA Compliant: Meets industry standards for enclosure safety and reliability.

Specifications

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