Product Introduction

Our GE-MICRO DRILL spare parts collection features OEM-matched electronic control boards, power modules, passive components, and electromechanical hardware, manufactured to strict OEM dimensional and electrical tolerances. Every component undergoes 100% electrical performance testing (±0.1% measurement accuracy) and thermal cycling validation (-20°C to 70°C operating range) to ensure flawless compatibility with the GE-MICRO DRILL control system. This comprehensive list covers all high-failure-rate items: high-voltage control boards, blower fan assemblies, SCR power components, drive control modules, transformers, and protective relays—supporting full system overhauls, routine preventive maintenance, and on-site emergency repairs for drilling equipment control systems.
Core Functional Specifications
- Power Control Stability: High-voltage NHVG boards and NPSE power supply cards maintain consistent voltage output, supporting 600V AC primary power and 115V DC control circuit operation with zero voltage drop under full load
- Thermal Management: Comair Rotrom TNE2C blower fans (59W, 115V AC) and NFLA fan control cards deliver targeted cooling, keeping component operating temperatures below 65°C to prevent thermal shutdown
- Voltage Spike Protection: NPCG snubber boards and 26 OHM 20W snubber resistors suppress transient voltage surges up to 675V, shielding sensitive control circuitry from damage
- Signal Integrity: HIOC, NBIA, NBIB, and HFXA interface boards ensure real-time data transmission with 99.9% signal accuracy, eliminating communication errors between drilling control modules
Structural & Design Advantages
- Modular Board Architecture: Stackable main and daughter board designs (HIOC/DIOC, NBIA/DBIA, HFXA/DFXA) simplify installation and replacement, reducing repair time by up to 60% compared to custom integrated circuits
- Heavy-Duty Power Components: Westcode SCR pucks, GE dielectric capacitors, and Ferraz Shawmut high-current fuses (700A, 700V AC) handle high power loads with minimal resistance, preventing overheating and component burnout
- Industrial-Grade Enclosure Compatibility: All boards and modules fit standard GE-MICRO DRILL control rack mounting slots, with secure locking connectors to resist vibration-induced disconnection in drilling rig environments
- Precision Transformer Design: 228B6611G1 control transformers and 228B6623G1 field transformers deliver isolated power conversion (600V AC input to 150-0-150V AC output) with 95% energy efficiency
Recommended Operating Conditions
These spare parts are optimized for the full operating envelope of the GE-MICRO DRILL control system, performing reliably in the following industrial scenarios:
- Ambient temperature range: -10°C to 70°C (14°F to 158°F)
- Humidity range: 5% to 95% non-condensing
- Power input: 600V AC (2-phase) primary, 115V AC/24V DC/28V DC control circuits
- Environment: Industrial drilling rigs, factory automation lines, oilfield control cabins, and high-vibration heavy machinery facilities
- Electrical noise tolerance: Resistant to EMI/RFI interference common in industrial power systems
Maintenance & Service Best Practices
To maximize component lifespan and prevent costly control system failures, follow these field-proven maintenance protocols for GE-MICRO DRILL equipment:
- Preventive Inspection Schedule: Inspect control boards, fan assemblies, and SCR components every 3 months; clean dust and debris from blower fans monthly to maintain cooling efficiency
- Electrical Testing: Test voltage output of power supply cards and transformers every 6 months to verify compliance with OEM tolerance standards; replace components showing drift beyond ±0.5%
- Connector Care: Inspect board connectors for corrosion or loose pins quarterly; apply dielectric grease to maintain secure electrical connections in high-humidity environments
- Fuse & Relay Replacement: Replace SCR stack fuses and control relays every 12 months, or immediately after a power surge event to prevent cascading component failure
- Thermal Monitoring: Track operating temperatures of DCM drive modules and field exciter cards; replace components operating consistently above 65°C to avoid premature burnout
We supply the following spare parts:
| SN | DECRIPTION | MAKE/SYSTEM | PART NUMBER / TECHNICAL DETAILES |
| 1 | HIGH VOLTAGE BOARD (NHVG) | GE -MICRO DRILL | DS3800NHVG1D1B |
| 2 | BLOWER FAN CARD (NFLA) | GE -MICRO DRILL | DS3800NFLA1D1D |
| 3 | SNUBBER BOARD CARD (NPCG) | GE -MICRO DRILL | DS3800NPCG1B1C |
| 4 | SNUBBER RESISTOR (26 OHM 5% 20W 675 VOLTS) | GE -MICRO DRILL | CTG9251- CGN33 |
| 5 | HIOC BOARD | GE -MICRO DRILL | DS3800HIOC1L1H |
| 6 | HIOC DAUGHTER BOARD | GE -MICRO DRILL | DS3800DIOC1D1B |
| 7 | NBIA BOARD | GE -MICRO DRILL | DS3800NBIA1E1C |
| 8 | NBIA DAUGHTER BOARD | GE -MICRO DRILL | DS3800DBIA1B1B |
| 9 | NBIB BOARD | GE -MICRO DRILL | DS3800NBIB1K1F |
| 10 | NBIB DAUGHTER BOAD | GE -MICRO DRILL | DS3800DBIB1C1C |
| 11 | HFXA BOARD | GE -MICRO DRILL | DS3800HFXA1F1D |
| 12 | HFXA DAUGHTER BOARD | GE -MICRO DRILL | DS3800DFXA1B1C |
| 13 | HFPB BOARD | GE -MICRO DRILL | DS300HFPB1F1E |
| 14 | POWER SUPPLY CARD (NPSE) | GE -MICRO DRILL | DS3800NPSE1C1E |
| 15 | DCM – DRIVE CONTROL MODULE (DCMB) | GE -MICRO DRILL | DS3820DCMB1D1C |
| 16 | FIELD EXITER CARD (NFED) | GE -MICRO DRILL | DS3800NFED1K1G |
| 17 | FIELD EXITER MODULE WITH ALL CARDS (FEDA) | GE -MICRO DRILL | DS3820FEDA1C1F |
| 18 | POWER SUPPLY MODULE (NPSE) | GE -MICRO DRILL | DS3800NPSE1E1G |
| 19 | INTERFACE BOARD (XJBD) | GE -MICRO DRILL | DS3800XJBD1D1D |
| 20 | SCR FULL PEM SET | GE -MICRO DRILL | ML05070678W01E06 |
| 21 | CONTROL TRANSFORMER FOR POWER SUPPLY | GE -MICRO DRILL | 228B6611G1 |
| 22 | FIELD TRANSFORMER | GE -MICRO DRILL | 228B6623G1 (I/P 600 VAC 2P / O/P 150 – 0 – 150 vac) |
| 23 | BLOWER FAN | COMAIR ROTROM | MODEL -TNE2C / 115 VAC /60 HZ / MAKE:TARZAN 020169T / 59 W |
| 24 | SCR PUCKS | WESTCODE | N490CH201119 |
| 25 | SCR CAPACITORS (.25 Micro fard / 1000 vac) | GE-DIECEKTRO | 26F6883 FA / 68A7184P15 |
| 26 | DC POWER CONTACTOR | EATON – CUTTLER HAMMER | MODEL: 6702ED 584-2 / 115VDC COIL / 2NO-NC |
| 27 | FUSES FOR SCR STACKS | FERRAZ-SHAWMET | A070UD33LF700 700 VAC, 700Amps |
| 28-A | CONTROL RELAYS- GE -CDE MEXICO | GE -CDE MEXICO | 218A4274-11 / 393D10-20 / 600 OHMS / 28 VDC |
| 28-B | CONTROL RELAYS- MAGNECRAFT | MAGNECRAFT | 250ATCPX-1 / 28 VDC |
| 29 | SOLID STATE TIMER | NCC – NATIONAL CONTROLS CORP | MODEL; T1K-10-000-462 / RANGE 1-10 SEC / 24VDC |
Field Troubleshooting: Real-World Repair Cases
Case 1: High Voltage Board Failure & System Power Loss
A drilling rig experienced complete power loss to the GE-MICRO DRILL control system, halting drilling operations. Diagnosis revealed a failed DS3800NHVG1D1B high-voltage board due to voltage surge damage. Replacing the faulty NHVG board restored full power delivery, eliminated short-circuit risks, and got the drilling rig back online within 2 hours.
Case 2: Blower Fan Overheating & Control Module Shutdown
An industrial drilling facility reported repeated thermal shutdowns of the DCM drive control module. Inspection showed clogged and malfunctioning Comair Rotrom TNE2C blower fans and a defective DS3800NFLA1D1D fan control card. Replacing the fan assembly and fan card normalized cooling temperatures, preventing unplanned shutdowns and extending module life.
Case 3: SCR Component Failure & Voltage Instability
A drilling control system exhibited erratic voltage output and inconsistent motor speed, linked to damaged Westcode SCR pucks and blown Ferraz Shawmut 700A fuses. Swapping the faulty SCR pucks and replacing the fuses restored stable power delivery, eliminating speed fluctuations and ensuring precise drilling control.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the GE-MICRO DRILL system? | Yes, every part in this list is precision-engineered exclusively for the GE-MICRO DRILL control system, with exact OEM electrical ratings and form-factor specifications for direct plug-and-play replacement; not recommended for other industrial control platforms. |
| What is the typical lifespan of these components in industrial drilling environments? | Under normal operating conditions, control boards and modules deliver 8-10 years of service life; high-wear items like fans, fuses, and relays last 3-5 years with routine maintenance, meeting industrial MTBF standards for heavy-duty equipment. |
| Can I purchase individual components instead of full sets, and are part numbers traceable? | Yes, individual parts are available for purchase using the listed OEM part numbers; all components are traceable to original manufacturing specifications and tested to meet IPC-A-610 industrial electronics standards. |
Procurement Guidance & Value Summary
Investing in these genuine-equivalent GE-MICRO DRILL spare parts ensures your drilling control system operates at peak precision, minimizes unplanned downtime, and reduces long-term repair costs for industrial and oilfield drilling operations. Each component is engineered to resolve critical field pain points—from power surges and thermal overload to signal loss and component burnout—providing both a reliable purchasing standard for inventory planning and a definitive technical repair standard for on-site maintenance teams.
Whether you are stocking critical spares for routine preventive maintenance, preparing for emergency system repairs, or replacing failed components to resume drilling operations, this parts list offers the precision, durability, and compatibility needed to keep your GE-MICRO DRILL control system running reliably in the toughest industrial conditions. Secure your spare parts supply today to maintain operational continuity, protect your equipment investment, and avoid costly delays in critical drilling projects.