Snap Disc Limit Control – Dormeyer SD001 – Automatic Reset | Open on Rise (150°F–190°F) Boiler Snap Disc Limit Control - (SD001)

Snap Disc Limit Control – Dormeyer SD001 – Automatic Reset | Open on Rise (150°F–190°F)

Ensure reliable over-temperature protection with the Dormeyer SD001 Snap Disc Limit Control. This surface-mount, automatic-reset thermal switch opens on temperature rise to prevent overheating in heating appliances and HVAC systems. Designed with precision bimetal technology, it delivers dependable performance for both residential and commercial applications.

Key Features:

• Reliable Temperature Control – Opens the circuit at 190°F and resets at 150°F for consistent, fail-safe operation
• Automatic Reset Function – Automatically restores the circuit once temperatures fall below the reset threshold
• SPST Switch Action – “Open on Rise” configuration for dependable thermal response
• Wide Voltage Range – Compatible with 120V to 277V systems for versatile use
• Surface Mount Installation – Flat-mount design with two-hole fasteners for secure attachment
• Quick Shipping – Ships fast to minimize equipment downtime

Specifications:

• Manufacturer: Dormeyer
• SKU: SD001
• Item Type: Snap Disc Limit Control
• Switch Type: SPST (Single Pole, Single Throw)
• Switch Action: Open on Rise
• Temperature Range: 150°F–190°F
• Switch Closes: @ 150°F
• Switch Opens: @ 190°F
• Reset Type: Automatic
• Differential: 40°F
• Inductive Amps @ 120V: 10
• Inductive Amps @ 240V: 5
• Resistive Amps @ 120V: 25
• Resistive Amps @ 240V: 25
• Resistive Amps @ 277V: 21.6
• Pilot Duty Contacts (VA): 125
• Voltage Range: 120V–277V
• Mounting: Surface mount with two-hole fasteners
• Dimensions: 2-3/4" W x 1-1/2" D x 1" H
• Application: Heating and cooling equipment, HVAC, safety shut-off systems

Common Applications:

• Boiler, pellet, and wood stove high-limit safety control
• Furnace fan limit protection
• Appliance thermal protection
• General over-temperature shutoff systems

Why Choose This Snap Disc?
The Dormeyer SD001 Snap Disc Limit Control is engineered for reliability and safety in demanding environments. Its automatic reset and bimetal construction provide rapid thermal response, ensuring stable performance under continuous heat cycles. Ideal for technicians, HVAC installers, and DIY users who prioritize dependable overheat protection.