Description
The Edwards EST 1500-BMB is the Basic Master Board for the ESL 1500 Series conventional fire alarm control panels. It provides the primary signaling and supervisory functions required for a single-zone Model 1501 system, with support for expansion through optional modules.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Edwards EST |
| Category |
Fire Alarm Systems |
| Part Number |
1500-BMB |
| Subcategory |
Control Boards |
| Type |
Basic Master Board |
| System Compatibility |
ESL 1500 Series Fire Alarm Control Panels |
| Supported Models |
Model 1501 (1 zone), expandable with 1503 (3 zones) or 1505 (5 zones) |
| Initiating Circuits |
Supports Class A or Class B wiring, 2-wire or 4-wire devices |
| Alarm Circuits |
Two supervised alarm indicating circuits |
| Inputs/Outputs |
Supervises conventional initiating and notification loops |
| Expandability |
Optional modules available for customized configurations |
| Power Limiting |
All initiating and indicating circuits are power-limited |
| Application |
Conventional fire alarm system base control |
| Dimensions |
14 × 12 × 3 in |
| Weight |
2 lbs |
Information About 1500-BMB
The Edwards EST 1500-BMB is an essential component of the ESL 1500 Series fire alarm systems, designed to serve as the main control board for single-zone configurations such as the Model 1501. It manages all core supervisory and alarm signaling functions while supporting Class A and Class B wiring methods for initiating and indicating circuits. With two built-in supervised alarm outputs and compatibility with two-wire and four-wire devices, the 1500-BMB ensures reliable monitoring and notification. System expansion is supported through optional modules, making it adaptable for three-zone (1503) and five-zone (1505) models.
Key Features:
- Primary control board: Provides all core signaling and supervisory functions for ESL 1500 Series fire alarm panels.
- Single-zone operation: Serves as the base board for the Model 1501 one-zone configuration.
- Expandable design: Compatible with additional modules to expand system capacity to three or five zones.
- Dual alarm outputs: Includes two supervised alarm indicating circuits for horns, strobes, and other notification appliances.
- Versatile wiring support: Works with both Class A and Class B loops, as well as two-wire or four-wire devices.
- Supervised circuits: Monitors both initiating and indicating circuits to ensure system integrity and fault detection.
- Power-limited circuits: Enhances safety and code compliance across all zone inputs and outputs.
- Compact size: Measures 14 × 12 × 3 inches and weighs just 2 lbs for easy integration into system enclosures.
- Reliable operation: Forms the backbone of the 1500 Series, ensuring continuous protection in conventional fire alarm setups.
- Customizable system options: Supports multiple add-on modules for tailored fire alarm configurations.
The 1500-BMB delivers the reliability and precision required for foundational operation of Edwards EST 1500 Series conventional fire alarm systems.
