DS3800NHVK | GE Speedtronic High-Voltage Kontrol Interface

Description

Product Introduction

The DS3800NHVK is a high-voltage kontrol interface board for Mark IV systems—the “H” in the suffix indicates high-voltage functionality, the “V” indicates voltage, and the “K” indicates kontrol (control). This board provides isolated high-voltage control connectivity for actuator and valve control applications in turbine control systems. It was used in installations where high-voltage control signals needed to be interfaced with the Mark IV control system.

The board plugs into the Mark IV backplane and provides a high-voltage control interface with electrical isolation to protect the backplane from voltage transients. Compare this to the DS3800NHVD (high-voltage digital interface) or the DS3800NHVH (high-voltage H-Bridge interface). The NHVK is specifically for high-voltage control applications where isolation and protection are critical.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What does the NHVK board do?
The NHVK is a high-voltage kontrol interface board for Mark IV systems. It provides isolated high-voltage control connectivity for actuator and valve control applications.

What’s the difference between the NHVK and the NHVD?
The NHVK is specifically for control outputs (actuators, valves); the NHVD is a high-voltage digital interface. The NHVK has control-specific output capabilities; the NHVD has general digital I/O.

What’s the voltage rating of this board?
The voltage rating depends on the specific configuration. Check the board’s label or your system documentation for the exact voltage rating.

Can I hot-swap this board?
No. Mark IV backplanes are not hot-swappable. Power down the cabinet, lock out the breaker, and wait 60 seconds before removing or installing the board.

What’s the most common failure mode on the NHVK?
We’ve serviced about a dozen NHVK boards. The most common failure is the control output driver circuitry—it can degrade over time, especially under high-current loads. The second most common failure is the edge connector—corrosion from humidity. The board is repairable.

What’s your warranty and lead time?
We stock the NHVK in limited quantities. Lead time is 1-2 business days. We offer a 1-year warranty. We test every board with a 24-hour burn-in and a diagnostic verification. The test report is included.

Is this board compatible with the Mark VIe?
No. This board is for Mark IV systems only. The backplane architecture is different.

KEBA CU212
MOOG C633-0001-R02KO1M0VSE2
ICS TRIPLEX T8431C