GE DS3800HPTN1G1G 

The GE DS3800HPTN1G1G is a High Power Termination Board under the General Electric (GE) Mark IV Speedtronic™ series, specifically designed for power distribution and signal conditioning in gas turbine and steam turbine control systems. Serving as the interface between high-power circuits and low-voltage control circuits, this module is responsible for power distribution, signal isolation, and overcurrent protection—ensuring the reliable operation of control systems in harsh industrial environments.

Product Specifications

• Product Model: DS3800HPTN1G1G
• Manufacturer: General Electric (GE)
• Product Type: High Power Termination Board
• Compatible System: GE Mark IV Speedtronic™
• Input Power: 120V AC/DC or 240V AC/DC (configurable)
• Output Channels: Multiple isolated outputs (power + signal)
• Maximum Load Current: 10A (per power output channel)
• Signal Types: 4-20mA, thermocouple (Type J/K), RTD (PT100)
• Isolation Voltage: 1500V AC (between power and signal)
• Protection Device: Replaceable fuses or circuit breakers (for overcurrent protection)
• Operating Temperature Range: -20°C to +70°C (-4°F to +158°F)
• Protection Class: IP20 (must be installed in a control cabinet)
• Mounting Method: Rail-mounted or screw-fixed to the Mark IV rack
• Certification Standards: UL 508, IEC 61010-1

Structure and Composition

1. Power Input Terminals:
   High-power screw terminals that support 120/240V AC/DC input (configured via jumpers).
2. Fuse/Circuit Breaker Array:
   Replaceable fuses (e.g., 5A, 10A) or thermal-magnetic circuit breakers, providing overcurrent protection.
3. Signal Conditioning Circuitry:

• Isolation amplifiers: Used for isolating and converting 4-20mA signals.
• Cold-junction compensation: Applied for thermocouple signal measurement.

4. Output Terminal Blocks:
   High-density terminals that distribute power to actuators (e.g., valves, heaters).
5. Status Indicators:
   LED indicators showing power status and fuse/circuit breaker on/off status.
6. Metal Enclosure:
   Provides EMI shielding and mechanical protection, complying with industrial anti-vibration standards.

Key Features and Advantages

1. High-Reliability Power Distribution

• Multiple isolated outputs prevent single-channel failures from affecting the entire system.
• Replaceable fuse design simplifies maintenance (no need to replace the entire module).

2. Signal Integrity Assurance

• 1500V AC isolation ensures low-voltage signals are not interfered with by high-voltage lines.
• Thermocouple cold-junction compensation function improves temperature measurement accuracy.

3. Flexible Configuration

• Input voltage can be configured (120V/240V) via jumpers or switches.
• Supports mixed signal types (e.g., power + 4-20mA + thermocouple).

4. Industrial-Grade Durability

• Wide operating temperature range of -20°C to +70°C, adapting to the environment of gas turbine control cabinets.
• Complies with the UL 508 standard for industrial control equipment.

Installation and Maintenance

Installation Key Points

• Operate under power-off conditions (ensure high-voltage parts are completely de-energized).
• Set jumpers correctly according to the input voltage (120V/240V).
• Use power cables with a wire gauge of ≥12AWG to avoid overheating.

Maintenance Recommendations

• Regularly check the status of fuses (recommended every 6 months).
• Clean terminal blocks to prevent increased contact resistance caused by oxidation.

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If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

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