The Keysight L4437A is a versatile 32-channel general purpose switch module featuring both Form A and Form C relay configurations. Ideal for automated test equipment (ATE) and data acquisition systems, this module ensures dependable switching performance across a wide range of signal types. Its applications span diverse fields, including manufacturing process control, research laboratory setups, and product development environments. The module’s robust design guarantees accurate and repeatable measurements, enhancing overall system efficiency and reliability.

Keysight L4437A 32-channel Form A/Form C General Purpose Switch
The Keysight L4437A is a 32-channel general purpose switch module with Form A/Form C relays. It is designed for automated testing and data acquisition systems. This module provides reliable switching for a variety of signals, making it suitable for applications in manufacturing, research, and development.
Product Condition & Availability
Keysight L4437A 32-channel Form A/Form C General Purpose Switch is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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