The 187A10 transformer from Hammond Manufacturing operates at 115VAC with a power rating of 2.5VA, suitable for various low-voltage applications. Designed for 50/60Hz frequency, this transformer ensures reliable performance in powering electronic devices. Its compact design allows for easy installation in tight spaces, making it ideal for both residential and commercial use. The transformer is built to meet industry standards, ensuring safety and efficiency in operation. With its durable construction, it provides long-lasting service in diverse environments.