The DS3800NPID1F1F is the ultimate flagship of General Electric’s Mark V series Fan/Exhaust Control boards for solid-state-primary hybrid applications. The suffix “1F1F” indicates Revision F firmware with 24-bit ADC (±0.5°C / ±0.3°C accuracy), extended temperature components (-40°C to +100°C), military-grade vibration tolerance (10g RMS), 4A solid-state outputs, 8A mechanical relay outputs, 4 thermocouple input channels, 8 RTD input channels (12 total temperature channels), 2 tachometer inputs, predictive relay maintenance, predictive thermal modeling, redundant backplane communication paths, self-healing diagnostics, cyber-hardening (AES-256 encryption), and a 1000-event fault log.
The “F” suffix introduces redundant backplane communication, self-healing diagnostics, and cyber-hardening, while the “1F” variant adds expanded fault logging and dual-redundant backplane paths.
The DS3800NPID1D1E is a premium 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 “1D1E” indicates Revision D firmware with 24-bit ADC (±0.5°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, 2 tachometer input channels, predictive relay maintenance, and predictive thermal modeling.
The “1E” suffix also indicates individual current monitoring for the solid-state outputs, providing enhanced diagnostic capability.
The DS3800NPID 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 “NPID” designation indicates a board with:
8 solid-state outputs (3A @ 24–48VDC) for higher-current DC fan control
4 mechanical relays (5A @ 115VAC / 30VDC) for high-power 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 DS3800NPID is a fan-dense hybrid board that combines 3A solid-state DC outputs, 5A relay auxiliaries, and tachometer feedback, but without RTD inputs—making it a cost-effective solution for single-zone cooling applications requiring higher-current DC fan control, high-power relay auxiliaries, and speed verification.
The DS3800NPIA1B1B 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 / ±0.5°C accuracy), extended temperature components (-20°C to +65°C), 3A solid-state outputs, 5A mechanical relay outputs, 4 thermocouple input channels, 8 RTD input channels (12 total temperature channels), and 2 tachometer input channels.
The DS3800NPIA1B1B 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 B firmware enhancements, while maintaining the dual-sensor temperature monitoring (T/C + RTD), high-current outputs, and tachometer feedback.
The DS3800NPIA 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 “NPIA” designation indicates a board with:
8 solid-state outputs (3A @ 24–48VDC) for higher-current DC fan control
4 mechanical relays (5A @ 115VAC / 30VDC) for high-power AC/DC auxiliary control
4 thermocouple input channels for temperature monitoring
8 RTD input channels (Pt100, 3-wire) for high-precision temperature monitoring—adding 12 total temperature channels
2 tachometer input channels for fan speed verification
12-bit ADC (±2°C / ±0.5°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NPIA is a fan-dense, dual-sensor hybrid board that combines 3A solid-state DC outputs, 5A relay auxiliaries, tachometer feedback, and mixed T/C + RTD temperature monitoring on a single board—optimized for single-zone cooling applications with redundant temperature sensing.
The DS3800NPDA1B1B 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), 3A solid-state outputs, 5A mechanical relay outputs, 8 thermocouple input channels, and 2 tachometer input channels.
The DS3800NPDA1B1B 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 B firmware enhancements, while maintaining the higher-current solid-state outputs (3A), 5A relay outputs, full thermocouple monitoring, and tachometer feedback.
The DS3800NPDA 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 “NPDA” designation indicates a board with:
8 solid-state outputs (3A @ 24–48VDC) for higher-current DC fan control
4 mechanical relays (5A @ 115VAC / 30VDC) for high-power 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 DS3800NPDA is a solid-state-primary hybrid board that prioritizes silent, maintenance-free DC fan control (3A) while retaining 5A relay auxiliaries and tachometer feedback, but without RTD inputs—making it a cost-effective solution for applications requiring higher-current DC fan control, high-power relay auxiliaries, and speed verification without redundant temperature sensing.
The DS3800NPCT1B1A is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage AC/DC applications with a relay-primary hybrid output configuration. The suffix “1B1A” indicates Revision B firmware with enhanced 16-bit ADC (±1°C / ±0.5°C accuracy), standard temperature components (0°C to +60°C), 5A mechanical relay outputs, 3A solid-state outputs, 8 thermocouple input channels, 8 RTD input channels (16 total temperature channels), and no tachometer feedback capability.
The DS3800NPCT1B1A is a direct upgrade from the base model, offering improved temperature accuracy (16-bit vs. 12-bit ADC) and Revision B firmware enhancements, while maintaining the high-current relay outputs, solid-state auxiliaries, and dual-sensor temperature monitoring.
The DS3800NPCT1A1A is the baseline revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage AC/DC applications with a relay-primary hybrid output configuration. The suffix “1A1A” indicates Revision A firmware (baseline), standard 12-bit ADC (±2°C / ±0.5°C accuracy), and standard temperature components (0°C to +60°C). This board provides:
8 mechanical relays (5A @ 115VAC / 30VDC) for high-power AC/DC fan control
4 solid-state outputs (3A @ 24–48VDC) for higher-current DC auxiliary control
8 thermocouple input channels for temperature monitoring
8 RTD input channels (Pt100, 3-wire) for high-precision temperature monitoring—adding 16 total temperature channels
No tachometer feedback capability
The DS3800NPCT1A1A is the original, unmodified version of this relay-primary hybrid board—ideal for replacing like-for-like in legacy systems requiring high-power relay outputs, solid-state auxiliaries, and dual-sensor temperature monitoring without tachometer feedback.
The DS3800NPCT is a Fan/Exhaust Control board from General Electric’s Mark V Speedtronic™ series, designed for standard-voltage AC/DC applications with a relay-primary hybrid output configuration. The “NPCT” designation indicates a board with:
8 mechanical relays (5A @ 115VAC / 30VDC) for high-power AC/DC fan control
4 solid-state outputs (3A @ 24–48VDC) for higher-current DC auxiliary control
8 thermocouple input channels for temperature monitoring
8 RTD input channels (Pt100, 3-wire) for high-precision temperature monitoring—adding 16 total temperature channels
No tachometer feedback capability
12-bit ADC (±2°C / ±0.5°C accuracy)
Standard temperature range (0°C to +60°C)
The DS3800NPCT is a relay-primary hybrid board that prioritizes high-current AC/DC relay outputs (5A) while retaining solid-state auxiliaries (3A) and dual-sensor temperature monitoring, but without tachometer feedback—making it a cost-effective solution for applications requiring high-power fan control and redundant temperature sensing without speed verification.
The DS3800NPCS1B1B is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage AC/DC applications with a relay-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), 5A mechanical relay outputs, 3A solid-state outputs, 8 thermocouple input channels, and 2 tachometer input channels.
The DS3800NPCS1B1B builds upon the “1A1B” variant with improved temperature accuracy (16-bit vs. 12-bit ADC) and Revision B firmware enhancements, while maintaining the extended temperature range (-20°C to +65°C), high-current relay outputs (5A), solid-state auxiliaries (3A), full thermocouple monitoring, and tachometer feedback.
The DS3800NPCS1A1B is a revision of General Electric’s Mark V series Fan/Exhaust Control board, designed for standard-voltage AC/DC applications with a relay-primary hybrid output configuration. The suffix “1A1B” indicates Revision A firmware with standard 12-bit ADC (±2°C accuracy), extended temperature components (-20°C to +65°C), 5A mechanical relay outputs, 3A solid-state outputs, 8 thermocouple input channels, and 2 tachometer input channels.
The DS3800NPCS1A1B is distinguished from the base model by its extended temperature range (-20°C to +65°C) while maintaining the high-current relay outputs (5A), solid-state auxiliaries (3A), full thermocouple monitoring, and tachometer feedback.
