Description
The GST GST-M200 Addressable Fire Alarm Control Panel is a compact, high-reliability intelligent life-safety master control station engineered by GST (Carrier) to meet demanding commercial fire protection standards. Designed and certified in strict compliance with the American UL 864 standard and NFPA 72 codes, the GST GST-M200 delivers advanced point-addressable detection, flexible cause-and-effect matrix programming, and dependable emergency signaling. Housed in a heavy-duty red metal cabinet suitable for surface wall mounting or semi-flush architectural installation, the GST GST-M200 provides an optimal life-safety hub for corporate offices, commercial centers, educational institutions, healthcare clinics, and light industrial facilities.
Technical Specifications Table
| Product Model | GST GST-M200 Intelligent Addressable Fire Alarm Control Panel |
| Manufacturer Part Number | 10103235 (GST-M200) |
| Brand Portfolio | GST (Carrier) |
| Regulatory Standards | UL 864 Listed (Control Units & Accessories 47BP); NFPA 72 Compliant |
| Primary AC Power Supply | 120 / 220 VAC (±10%), 50/60 Hz (Max Current: 2.0A) |
| Operating Loop Voltage | 24 VDC Nominal (17 VDC to 28 VDC operating range, Power Limited) |
| Standby Battery Power | Internal dual-rate charger supporting up to 24 VDC / 20 Ah sealed lead-acid batteries |
| Loop Capacity & Scalability | 1 Built-in Loop, expandable to 2 Loops via optional LC200 expansion card |
| Device Address Capacity | 240 intelligent points per loop (Total capacity: up to 480 addressable points) |
| SLC Circuit Constraints | NFPA Style 6 (Class A) or Style 4 (Class B); up to 4,000 ft (1.2 km) with 17 AWG (1.02 mm²) cable |
| Notification Circuits (NAC) | 2 Supervised Style Y (Class B) NAC lines; 24 VDC / 1.2A each (4.7 kΩ EOLR) |
| Auxiliary DC Power Output | 24 VDC Power-Limited Output; 50 mA quiescent / 750 mA maximum load |
| On-Board System Relays | 3 Dedicated Form-C dry contact relays: Alarm, Fault, Supervisory (Rated 2.0A @ 30 VDC) |
| Operator Display & Keypad | 128 × 64 Graphic LCD Screen with password-protected programming keypad |
| Event History Log | 1,000-event non-volatile circular history memory protected against power failure |
| PC & Serial Interfaces | RS232 programming port (via P-9930 card) / Optional USB printer interface |
| Network & BMS Connectivity | RS485 networking, Class A CAN Bus (P-M9960A), and direct Modbus BMS (P-M9930ModBus) |
| Cabinet Dimensions (Outer) | 406 mm (W) × 666 mm (H) × 130 mm (D) |
| Semi-Flush Cutout Dimensions | 380 mm (W) × 640 mm (H) × 113.5 mm (D) |
| Operating Environment | 0°C to +49°C (32°F to 120°F), ≤ 93% Relative Humidity non-condensing |
| Enclosure Finish & Color | Sheet steel enclosure | Color: Commercial Red |
⚙️ Engineering & Architecture Resources
Ensure signaling line circuit (SLC) wire gauges, notification appliance circuit voltage drops, and standby battery calculations comply with NFPA 72 standards and UL Life Safety Equipment Standards before completing final site commissioning for your GST GST-M200 control station.
📥 Download Official Technical Submittal Datasheet (DS10103235)
Intelligent Digital Protocol & UL 864 Listed GST GST-M200 Performance
The computational engine of the GST GST-M200 utilizes high-speed digital polling to manage up to 480 addressable detectors, input interfaces, and control modules. Engineered to satisfy stringent UL 864 standards, the GST GST-M200 evaluates analog sensor inputs in real time, filtering out ambient electromagnetic interference and environmental dust drift. This high-integrity digital signaling allows signaling line circuit cable runs up to 4,000 feet using standard 17 AWG or 14 AWG twisted pairs without requiring intermediate signal repeaters.
System testing and network expansion are streamlined through dedicated technician tools. The GST GST-M200 includes Positive Alarm Sequence (PAS) support to prevent unnecessary building evacuations during false alarms, as well as audible or silent Walk Test modes for one-person annual testing. Modular expansion slots accept optional communication cards, allowing the panel to join Class A CAN networks, communicate over RS485 loops, or export real-time event registers straight into Building Management Systems (BMS) via Modbus protocol.
- UL 864 & NFPA 72 Certified: Built to rigorous North American life-safety standards for high reliability.
- Modular 2-Loop Expansion: Base 1-loop configuration (240 points) upgrades to 2 loops (480 points) via the LC200 card.
- Dual Supervised 1.2A NAC Circuits: Directly drives conventional notification appliances with selectable auto-silence timing.
- Comprehensive Event Logging: Stores 1,000 chronological fire alarm, supervisory, and fault records in non-volatile memory.
Frequently Asked Questions (FAQ)
Q1: What is the device capacity of the GST GST-M200 fire alarm control panel?
A: The GST GST-M200 comes standard with 1 Style 6 (Class A) loop supporting 240 addressable points. With the addition of an optional LC200 loop card, it expands to 2 loops supporting up to 480 addressable devices.
Q2: What certifications does the GST GST-M200 control panel carry?
A: The GST GST-M200 is UL Listed under UL 864 (Control Units and Accessories for Fire Alarm Systems) and fully complies with NFPA 72 installation requirements.
Q3: How many notification appliance circuits (NAC) are provided on the GST GST-M200?
A: The panel features 2 on-board supervised Style Y (Class B) NAC outputs, each delivering up to 1.2A @ 24 VDC for conventional sounders, bells, and strobes.
Q4: Can the GST GST-M200 be integrated into Building Management Systems (BMS)?
A: Yes. By installing the optional P-M9930ModBus communication card, the GST GST-M200 exports panel data directly to third-party BMS and SCADA automation platforms.
Q5: What are the primary cable requirements for the GST GST-M200 SLC loop?
A: The signaling line circuit requires fire-rated twisted pair wiring with a minimum size of 17 AWG (1.02 mm²) for distances up to 4,000 ft (1.2 km), with 14 AWG recommended for longer runs.
Q6: What battery backup capacity is supported by the GST GST-M200 cabinet?
A: The internal charging circuit supports up to a 24 VDC / 20 Ah sealed lead-acid battery set to provide secondary standby power during AC mains failure.



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