Product Description
The NORDYNE 626391R is a 140F CO AUTO limit switch, also known as a rollout limit switch L140-30, designed for use in Nordyne HVAC equipment. This switch serves as a safety component in furnace systems, preventing flame rollout by monitoring temperatures. It interrupts the ignition sequence when temperatures reach 140°F and automatically restores operation at 110°F.
- Provides 140°F overheat protection by opening to interrupt the ignition sequence when burner area temperatures exceed safe levels.
- Offers automatic reset functionality, closing the circuit automatically at 110°F to restore normal furnace operation.
- Compatible with MBHA, MGHA, MBBA, and MMBB/MMHB series furnace models.
Product Highlights
The NORDYNE 626391R limit switch ensures reliable protection against overheating risks in compatible furnace systems.
Product Information
Standard Information
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Brand: NORDYNE
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Manufacturer Part Number: 626391R
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Country of Origin: United States
Technical Specifications
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Manufacturer: Nordyne
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Brand: Nordyne
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Product Type: Limit Switch
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Item Number: 626391R
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Compatible with: MBBA-066ABFC-05, MBBA-066ABFC05-NLA, MBBA-086ABFC-05, MBBA-086ABFC-06, MBBA-086ABFC06-NLA, MBBB-066ABFC-09, MBBB-086ABFC-09, MBHA-066AAFC-05, MBHA-066ABFC-05, MBHA-086AAFC-05, MBHA-086ABFC-05, MBHB-066ABFC-09, MBHB-086ABFC-09, MGBB-090ABPQ-06, MGHA-056AAFC-05, MGHA-090AAPQ-05, MGHA-090ABPQ-05, MGHB-090AAPQ-09, MGHB-090ABPQ-09, MMBB-056ABHR-06, MMBB-070ABHR-06, MMBB-077ABHR-06, MMBB-090ABHR-06, MMBB-090ABHR-10, MMHB-056AAHR-06, MMHB-056ABHR-06, MMHB-070AAHR-06, MMHB-070ABHR-06
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Operation Mode: ON-OFF
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Current Rating: 16 Amps
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Operating Voltage: 120 Volts
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Contact Type: Normally Closed
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Connector Type: Clamp
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Terminal: Spade
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Material: Metal
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Model: MG & MM series furnaces
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Condition: New
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HVAC Equipment Type: Limit Control
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Package Quantity: 1
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Reset Type: Automatic
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Switch Opens @ (F): 140 F
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Voltage: 120 V
