When you’re worried about safety and security, turn to DC-Digital for our dependable technology. Central-Security came to us asking for a timer for a large cold storage freezer. Temperatures inside the freezer get below 32°F—conditions cold enough to cause severe injury or even death. To prevent a life-threatening situation, they needed a solution that would automatically detect if someone was potentially trapped inside. Their request: a timer that starts when the freezer door closes and runs for 15 minutes. If the door doesn’t reopen within that window, a loud buzzer will sound to alert nearby personnel of a possible emergency.

Purpose-Built for Cold Storage Safety

The DC-40T-DN-BCD was engineered specifically for these types of high-risk environments. In facilities where cold storage is essential to operations, but poses potential dangers to personnel, a timer-based alert system can be the difference between safety and catastrophe.

What the Timer Does

This unit provides:

• Automatic countdown activation when a freezer door closes
• 15-minute adjustable run time using rotary BCD switches
• Continuous buzzer alarm if the door remains shut for too long
• Manual reset only, ensuring the alarm continues until acknowledged

Whether in a food distribution warehouse or pharmaceutical storage, this setup provides critical time monitoring to prevent entrapment.

Technical Highlights

The DC-40T-DN-BCD is designed for durability and dependability. The unit features:

• A loud adjustable buzzer that ranges from 85 to 95 decibels
• Water-resistant NEMA-rated enclosure, ideal for wet or cold environments
• Maintained run with open stop reset—a safety feature to avoid automatic deactivation
• Easy-to-use rotary BCD switches to set countdown time using either fingers or a small screwdriver
• Access via two latching levers, sealing the system securely once settings are adjusted

It also includes a 9-foot waterproof, oil-resistant power cable with a standard 120V, three-prong plug for easy installation.

Use Case Application

Central-Security’s freezer application is just one example of how this timer system can be used. The DC-40T-DN-BCD is ideal for:

• Cold storage warehouses
• Food processing facilities
• Walk-in coolers and freezers
• Industrial temperature-controlled rooms
• Any facility requiring door-triggered safety monitoring

Ensuring Safety in Extreme Environments

When the door closes and the countdown begins, the system is on high alert. If the timer reaches zero, the alarm sounds—and it doesn’t stop until someone responds. This design ensures no missed alerts, which is essential in life-or-death scenarios where time is critical.

See product: DC-40T-DN-BCD-N-NEMA

See video: Video for DC-40T-DN-BCD-N-NEMA

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