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Honeywell 2455R01000078 Manual Reset Thermostat

The 2455RD Series is a compact, manual reset, snap-action thermostat with a robust bimetal disc sensor that offers rapid response to temperature changes. Enclosed in a phenolic housing with a heat-conducting end cap, it features normally-closed contacts that open at specified set points, ideal for high-limit applications in power supplies, medical devices, and HVAC systems. UL/CSA approved, this thermostat provides reliable switching with a 15 A resistive load at 120-250 Vac, accommodating temperatures from 52°C to 150°C with precise temperature tolerances for safety and performance.

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Part No:2455R--01000078
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Inv Date:06-01-2026
Price: Unit price: $37.46
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Part No:2455R--01000078
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Source:DigiKey
Part No:2455R--01000078
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Part No:2455R--01000078
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Part No:2455R-01000078
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Price: Unit price: $39.48
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Part No:2455R-01000078
Stock:6
Inv Date:06-01-2026
Price: Unit price: $39.48
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Part No:2455R--01000078
Stock:46
Inv Date:06-01-2026
Price: Unit price: $25.68
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Honeywell 2455R01000078 Manual Reset Thermostat Specifications:

  • Switch type: SPST
  • Reset type: manual
  • Amperage: 15 A resistive at 6,000 cycles (UL); 16 A resistive at 1000 cycles (EU)
  • Voltage: 120 Vac to 250 Vac
  • Operating temperature range: 52°C to 150°C
  • Environmental exposure range: -20°C to 177°C
  • Materials: phenolic housing, silver alloy contacts, brass/stainless steel terminals
  • Approvals: UL File E36103, CSA File LR21048
  • Weight: 6 g
  • Dimensions: Enclosure size approximately 12.34 mm DIA and 10.88 mm height
  • Contact ratings: 15 A resistive at 120 Vac, 10 A resistive at 240 Vac, cycles: 6000 UL, 1000 EU
  • Environmental durability: withstanding thermal exposure up to 177°C
  • Application: high-temperature safety limits in power supplies, appliances, HVAC, medical equipment

Buy the Buy Honeywell Manual Reset Thermostat Part Number 2455R01000078 Online

Purchase the Honeywell 2455R01000078 manual reset thermostat online today and ensure reliable temperature control for power, HVAC, medical, and industrial equipment. Designed with a rapid-response bimetal disc enclosed in a durable phenolic housing, it offers UL/CSA approval, robust contact ratings, and precise temperature switching from 52°C to 150°C. Ideal for safety-critical systems, its resistive load capacity and environmental resilience make it a dependable choice for high-limit applications where manual reset is required, providing peace of mind and operational security.

Get Honeywell 2455R01000078 today—built for safety and long-lasting performance in high-temperature control applications.

Frequently Asked Questions

Where can I buy Honeywell 2455R01000078?

You can click on the BUY or RFQ button to purchase 2455R01000078 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 2455R01000078?

You can download the 2455R01000078 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 2455R01000078?

Honeywell

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