The DS3800NOTA1A1A is the baseline revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The suffix “1A1A” indicates Revision A firmware (baseline), standard 12-bit ADC (±2°C accuracy), and standard temperature components (0°C to +60°C). This board provides:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
8 thermocouple input channels for temperature monitoring
No tachometer feedback capability
The DS3800NOTA1A1A is the original, unmodified version of this hybrid board—ideal for replacing like-for-like in legacy systems that require both solid-state DC outputs and relay auxiliaries with full temperature monitoring.
The DS3800NOTA is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The “NOTA” designation indicates a board with:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
8 thermocouple input channels for temperature monitoring
No tachometer feedback capability
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NOTA is a comprehensive hybrid board that combines solid-state DC outputs and mechanical relay auxiliaries with full 8-channel temperature monitoring on a single board.
The DS3800NOCB1B1B is a specialized revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The suffix “1B1B” indicates Revision B firmware with enhanced 16-bit ADC (±1°C accuracy), extended temperature components (-20°C to +65°C), 2A solid-state outputs, 5A mechanical relay outputs, and 4 thermocouple input channels—with no tachometer feedback.
The DS3800NOCB1B1B is distinguished from the “NOCA” series by its higher relay current capacity (5A vs. 3A), making it suitable for applications requiring more powerful AC/DC auxiliary loads.
The DS3800NOCA1B1B is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The suffix “1B1B” indicates Revision B firmware with enhanced 16-bit ADC (±1°C accuracy), extended temperature components (-20°C to +65°C), 2A solid-state outputs, 3A mechanical relay outputs, and 4 thermocouple input channels—with no tachometer feedback.
The DS3800NOCA1B1B is a direct upgrade from the base model, offering improved temperature accuracy (16-bit vs. 12-bit ADC), extended temperature range (-20°C to +65°C), and Revision B firmware enhancements.
The DS3800NOCA is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage DC applications with a hybrid output configuration. The “NOCA” designation indicates a board with:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
4 thermocouple input channels for temperature monitoring
No tachometer feedback capability
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NOCA is a fan-dense hybrid board optimized for single-zone cooling applications where DC fans are primary with AC/DC relay auxiliaries, and tachometer feedback is not required.
The DS3800NOAB1C1B is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration and tachometer feedback. The suffix “1C1B” indicates Revision C firmware with enhanced 16-bit ADC (±1°C accuracy), extended temperature components (-20°C to +65°C), 2A solid-state outputs, 3A mechanical relay outputs, 8 thermocouple input channels, and 2 tachometer input channels.
The DS3800NOAB1C1B builds upon the base model with improved temperature accuracy (16-bit vs. 12-bit ADC), extended temperature range (-20°C to +65°C), and Revision C firmware enhancements.
The DS3800NOAB is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The “NOAB” designation indicates a board with:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
8 thermocouple input channels for temperature monitoring
2 tachometer input channels for fan speed verification
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NOAB is a comprehensive hybrid board that combines solid-state DC outputs, mechanical relay auxiliaries, tachometer feedback, and full 8-channel temperature monitoring on a single board.
¥999.00
The DS3800NOAA1F1D is a flagship revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration and tachometer feedback. The suffix “1F1D” indicates Revision F firmware with 24-bit ADC (±0.5°C / ±0.3°C accuracy), extended temperature components (-40°C to +85°C), military-grade vibration tolerance (5g RMS), 3A solid-state outputs, 5A mechanical relay outputs, 4 thermocouple input channels, 8 RTD input channels (12 total temperature channels), 2 tachometer inputs, predictive relay maintenance, predictive thermal modeling, and redundant backplane communication paths.
The “F” suffix introduces redundant backplane communication for fault-tolerant operation, while the “1D” suffix upgrades the solid-state outputs to 3A with individual current monitoring.
The DS3800NOAA is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage DC applications with a hybrid output configuration. The “NOAA” designation indicates a board with:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
4 thermocouple input channels for temperature monitoring
2 tachometer input channels for fan speed verification
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NOAA is a fan-dense hybrid board that combines solid-state DC outputs, mechanical relay auxiliaries, and tachometer feedback on a single board, optimized for single-zone cooling applications requiring speed verification.
The DS3800NMSA1B1A is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage DC applications with a solid-state-primary hybrid output configuration. The suffix “1B1A” indicates Revision B firmware with enhanced 16-bit ADC (±1°C accuracy) and standard temperature components (0°C to +60°C). This board provides:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
8 thermocouple input channels for temperature monitoring
No tachometer feedback capability
The DS3800NMSA1B1A is a direct upgrade from the base DS3800NMSA, offering improved temperature accuracy (16-bit vs. 12-bit ADC) and Revision B firmware enhancements.
The DS3800NMSA is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage DC applications with a hybrid output configuration. The “NMSA” designation indicates a board with:
8 solid-state outputs (2A @ 24–48VDC) for DC fan control
4 mechanical relays (3A @ 115VAC / 30VDC) for AC/DC auxiliary control
8 thermocouple input channels for temperature monitoring
No tachometer feedback capability
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NMSA is a solid-state-primary hybrid board that prioritizes silent, maintenance-free DC fan control while retaining mechanical relays for AC/DC auxiliary devices.
The DS3800NMFC is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage AC/DC applications with a hybrid output configuration and tachometer feedback. The “NMFC” designation indicates a board with:
8 mechanical relays (5A @ 115VAC / 30VDC) for high-power AC/DC fan control
4 solid-state outputs (2A @ 24–48VDC) for low-voltage auxiliary fans or alarms
4 thermocouple input channels for temperature monitoring
2 tachometer input channels for fan speed verification
12-bit ADC (±2°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NMFC is a fan-dense hybrid board that combines 5A relay outputs, solid-state auxiliaries, and tachometer feedback on a single board, optimized for single-zone cooling applications requiring speed verification.
