EEA-PAM-553-A-33 Vickers
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MPN: 105EC00052A
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The Vickers EEA-PAM-553-A-33 is a power amplifier from the EEA-PAM-5-A-33 Power Amplifiers series. It operates with a nominal supply voltage of 24 V DC and a power rating of 50 watts, and supports supply voltages between 20 and 40 V DC. The amplifier is designed to function in ambient temperatures ranging from 0 to 50 degrees Celsius and allows a maximum solenoid current of 2.7 Amps.
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Product Description:
The EEA-PAM-553-A-33 is a plug-in power amplifier card manufactured by Vickers for the EEA-PAM-5-A-33 Power Amplifiers series. Installed in hydraulic control cabinets, the card interprets electrical reference signals and modulates the current applied to proportional valve solenoids, allowing precise flow or pressure adjustment within automated machinery. By converting low-level commands into regulated output current, it forms the electronic bridge between a PLC’s analog outputs and the magnetic actuators that shift the valve spool.
For stable operation, its nominal supply rail is 24 V DC, but the design tolerates dips to 20 V DC and surges to 40 V DC without losing current regulation. The board can dissipate up to 50 W, so heat sinks or forced airflow are usually unnecessary in standard panel layouts. A dedicated output stage delivers a peak solenoid drive of 2.7 A, enabling full stroke on most Vickers proportional directional and pressure valves. Current feedback circuitry tracks the coil resistance over temperature and duty cycle, maintaining linear valve performance across the rated load range.
The amplifier accepts differential current commands of ±20 mA for systems wired to industrial current loops, or voltage references of ±10 V when interfacing with common analog PLC modules. A low current input resistance of 100 Ω ensures correct loop compliance, while the separate voltage input presents a high impedance of 47 kΩ so it does not load delicate voltage sources. Ambient service temperatures span 0 °C to 50 °C, matching typical enclosure conditions on factory floors. Within that range the onboard components maintain accuracy, allowing the card to translate command changes into proportional hydraulic motion without recalibration.
Frequently Asked Questions about EEA-PAM-553-A-33:
Q: What is the nominal supply voltage required for the EEA-PAM-553-A-33 power amplifier?
A: The EEA-PAM-553-A-33 operates with a nominal supply voltage of 24 V DC.
Q: What is the maximum solenoid current supported by the EEA-PAM-553-A-33?
A: The maximum output current for the solenoid on this model is 2.7 A.
Q: What command input ranges are accepted by the EEA-PAM-553-A-33?
A: Acceptable command input ranges for this amplifier are ±20 mA for current and ±10 V for voltage.
Q: What is the power rating of the EEA-PAM-553-A-33 from Vickers?
A: This power amplifier can deliver a maximum power rating of 50 W.
Q: What is the specified ambient temperature range for the EEA-PAM-553-A-33 amplifier?
A: The EEA-PAM-553-A-33 is designed for operation within ambient temperatures from 0 °C to 50 °C.
