Product Specifications

Manufacturer	Woodward
Part Number	8200-203
NEMA Rating	4/4X, IP54
Input Power	120 V ac / dc
Number of Channels	3
Input Voltage Range	1.0 Vrms to 30 Vrms
Input Frequency Range	10 Hz to 25,000 Hz
Operating Temperature Range	-20°C ~ +60°C
Storage Temperature Range	-40°C ~ +85°C
Relative Humidity	95% (no condensation at 38°C)

The Woodward ProTech 203 Overspeed Protection series is available in two configurations: de-energize-to-trip and energize-to-trip. The 8200-203 model is the 120 VAC/DC input version within the de-energize-to-trip product range. It incorporates three independent and identical speed-sensing channels, each equipped with its own dedicated power supply to ensure reliable operation and redundancy.

The system monitors prime mover speed through magnetic pickup inputs. Each channel independently measures and calculates speed, and the resulting values are processed through a two-out-of-three hardware voting logic. This architecture enhances system reliability and helps prevent unnecessary shutdowns while maintaining dependable overspeed protection.

Frequently asked questions：

Q1: What is the input power requirement of the WOODWARD 8200-203 Overspeed Protection System?
A: The 8200-203 operates with an input power supply of 120 V AC/DC, providing reliable power for critical turbine and engine protection applications.

Q2: How many monitoring channels does the 8200-203 provide?
A: The system features 3 independent channels, allowing redundant speed monitoring and enhanced protection reliability.

Q3: What is the input voltage range of the WOODWARD 8200-203?
A: The 8200-203 module accepts input signals from 1.0 Vrms up to 30 Vrms maximum, making it compatible with a wide range of speed sensor inputs.

Q4: What is the primary function of the 8200-203 Overspeed Protection System?
A: Its primary function is to detect overspeed conditions and initiate protective actions, helping prevent damage to turbines, engines, compressors, and other rotating equipment.

Product Applications

Thermal/Hydropower Plants
Metallurgical and Steel Plants
Petrochemical and Refinery Plants

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We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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