NSI TORK C412H Spring-Wound In-Wall Timer — 12-Hour Auto Shutoff, Metal Faceplate, 125-277VAC

Overview

The NSI TORK C412H is a spring-wound in-wall twist timer designed for dependable, hands-off control of motors and lighting. Featuring a metal-brushed aluminum faceplate and a compact profile that fits inside a standard electrical box, this timer blends into walls while delivering a simple, precise countdown. It supports 125–277VAC and is built to handle moderate to demanding loads, offering a straightforward way to automate routine off-times in both homes and small commercial settings. TORK has stood for reliability since 1922, and the C412H continues that legacy with rugged hardware and a practical design.

Designed for dependable control

With a twist of the knob, you set an auto-off window between 1 and 12 hours. The timer provides a consistent countdown, making it easier to manage power to fans, lights, and other devices without constant monitoring. The spring-wound mechanism is simple to operate and requires no external power source beyond the line supply the unit is wired into.

Key benefits

• Hands-off control helps prevent devices from remaining on unintentionally, supporting convenience and basic energy awareness.
• Flexible timing from 1 to 12 hours lets you tailor runtimes to your needs.
• Durable in-wall installation with a professional metal faceplate creates a clean, built-in look.
• Rugged electrical performance supports up to 20A resistive loads or 2HP motor loads at 125VAC.

Performance and compatibility

• 125–277VAC voltage range provides compatibility with a wide range of circuits.
• DPST switch configuration ensures reliable control of two circuits or two devices.
• 12AWG terminal size supports solid, secure connections.
• UL-listed design emphasizes quality assurance and long-term reliability.

In-wall installation and uses

The unit is designed for easy in-wall mounting and fits inside standard electrical boxes, making it suitable for residential spaces like garages, bathrooms, kitchens, and utility rooms as well as commercial settings such as hotels, locker rooms, pools, or spas. Its metal-face appearance complements professional installations while delivering practical timed shutoff for a variety of equipment.

Getting the most from your timer

Plan runtimes around typical use patterns—ventilation cycles, lighting schedules, or small equipment shutoffs—to achieve smooth, predictable operation. Pair the C412H with devices you want to control automatically after a set period while maintaining a simple, reliable user experience.