9907-345

Description

9907-345 is a Woodward ProTech 203 electronic overspeed trip device with three magnetic pickups, modular design, and fault-tolerant protection for prime mover applications.

Identity

• Part Number: 9907-345

• Series: ProTech 203

• Type: Electronic Overspeed Trip Device

• Manufacturer: Woodward

• Model: De-energize-to-Trip

Dimensions

• Size: W 19 in × H 12.244 in × D 5.62 in

Electrical Characteristics

• Input Voltage: 24 V DC

• Operating Temperature: –25 to +60 °C

• Speed-Sensing Frequency Range: 100 Hz–32 kHz

• MPU Timeout Range: 100–25,000 rpm

Features

• CPU Indication: Failure detection

• Functions: Hot replacement, self-test, remote reset, multiple alarm outputs

• Design: Three independent MPU units (A, B, C) with two-voter relays

• Interfaces: Separate operator interface and 24 V DC supply per unit

• Alarms: Visual and audible, LCD/LED error messages

• Protection: NEMA 4 / 4X enclosure

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