ICM Controls ICM550C

ICM550C Defrost Timer from ICM Controls delivers reliable multi-voltage operation for commercial and residential HVAC and refrigeration systems. This defrost timer is designed to provide precise, dependable control across a wide voltage range, simplifying installation and reducing wiring complexity. The ICM550C replaces Grasslin 010-0011B and Intermatic DTAV40, making it a versatile upgrade or retrofit. It can also be used in place of ICM305 in compatible panels. Built for durability, the timer supports standard defrost cycles and adjustable timing to match your refrigeration cycle needs, helping improve efficiency and save energy over time.

Choose the ICM550C for reliable defrost timing and simple retrofit across compatible systems.

• Multi-voltage compatibility: Works across common voltages for flexible installation.
• Replaces legacy models: Grasslin 010-0011B and Intermatic DTAV40 compatibility for smooth retrofit.
• ICM305 replacement option: Can be used in place of ICM305 where supported.
• Precise defrost timing: Delivers dependable defrost cycles for efficient HVAC and refrigeration control.
• Durable, easy wiring: Designed for long-term reliability with simple wiring and plug-in connections.