Zettler 500 Power Supply – 27.6 VDC Fire Alarm Power Unit for Essential 2 & Essential 4 Panels (EN 54-4 Compliant)- Repair Service

Zettler 500 Power Supply – 27.6 VDC Fire Alarm Power Unit for Essential 2 & Essential 4 Panels EN 54-4 Compliant- Repair Service

He Zettler 500 Power Supply from Johnson Controls International is a fire alarm panel power supply unit designed for Zettler’s Essential 2 and Essential 4 fire control panels. It delivers 27.6 VDC nominal voltage at up to 1.8 A load current, meeting EN 54‑4 standards for fire detection and alarm systems

Features:

• Designed for Zettler Panels: Compatible with Zettler Essential 2 and Essential 4 fire alarm control panels.

• Stable Power Output: Provides a nominal 27.6 VDC for reliable panel operation.

• 1.8 A Load Capacity: Supports sufficient current for system devices and functions.

• EN 54-4 Compliant: Meets European standards for fire detection and alarm power supply equipment.

• Reliable Battery Charging: Ensures backup batteries remain charged for emergency readiness.

• High System Protection: Includes safety features to prevent overload, short circuits, and power faults.

• Durable Construction: Built for long-term performance in critical fire safety applications.

Specifications:

• Model: Zettler 500 Power Supply

• Manufacturer: Johnson Controls International

• Output Voltage: 27.6 VDC nominal

• Maximum Load Current: 1.8 A

• Compliance: EN 54-4 standard

• Application: Fire detection and alarm systems

• Compatibility: Zettler Essential 2 and Essential 4 fire alarm control panels

• Function: Main power and battery charging for fire alarm systems