Thermal Cut-off Ry216 250V16atf216℃ Metal Thermal Fuse Used in High-Temperature Applications

Product Description

Product Description

Thermal Cut-off RY216 250V16ATf216℃ Metal Thermal Fuse Used in High-temperature Applications

The core advantages of the RY216 (250V 16ATf 216℃) thermal fuse lie in its "high-temperature, high-current, and sealed structure," making it suitable for specific application scenarios:

1. Strong High-Temperature Adaptability:

 With an operating temperature of 216℃, it meets the overheat protection needs of high-temperature equipment such as electric ovens and industrial heating furnaces, preventing accidental fuse blowouts under high-temperature conditions.

2. High Current Carrying Capacity:

Rated current of 16A, it is suitable for medium-to-high power equipment (such as large motors and industrial heating modules) without the need for additional capacity expansion, and is compatible with the normal operating current of the equipment.

3. Excellent Sealing and Durability:

A nickel-plated metal housing and waterproof design withstand humid and dusty industrial environments, reducing the risk of corrosion and short circuits, and extending service life.

4. High Safety and Reliability:

The irreversible fuse design completely cuts off the circuit upon triggering, preventing overheating and fires in high-temperature equipment (such as welding machines).

5. The highly flexible leaded structure and customizable lead lengths allow it to adapt to compact or complex installation spaces within equipment, making soldering and wiring convenient.

These advantages enable it to ensure effective protection while meeting the actual operational requirements of high-temperature, high-power equipment environments.

Specification

Product name	Thermal Fuse
Model	RY216 (250V 16A 216℃)
Rated Voltage	250V AC
Rated Current	16A (Supports medium to high power devices)
Rated Operating Temperature, Tf	(Tf)  216℃ (irreversible, must be replaced after fusing).
Actual Operating Temperature, To	(To)  211~221℃ (tolerance ±5℃)
Holding Temperature, Th	(Th)  176~196℃ (will not melt during long-term operation)
Extreme Temperature, Tm	(Tm)  266~316℃ (upper limit of short-term tolerance)
Disconnection Capability, Isc	(Isc)  250V AC 16A (50/60Hz)
Reset characteristics	Irreversible, cannot self-recover after fuse blown.
Structural Parameters	- Housing Material: Nickel-plated metal sealing shell (high temperature and corrosion resistant) - Lead Wire: Tin-plated copper wire (wire diameter ≈ 1.2mm, suitable for high current) - Dimensions: Total length ≈ 22±1mm, housing diameter ≈ 4.5±0.1mm - Lead Wire Length: Default 40±1mm (customization available)
Certificate	CCC

** Rated Operating Temperature, Tf

** Actual Operating Temperature, To

** Holding Temperature, Th

** Extreme Temperature, Tm

These are four key parameters of a fuse, defining its performance and behavior under different temperature conditions.

The core difference between these four temperatures lies in that they represent the temperature thresholds for four different stages of a fuse's lifecycle: normal operation, impending tripping, and complete failure.

- Th is the "highest temperature at which it can operate continuously."

- Tf is the "design temperature at which it will blow."

- To is the "actual blowing temperature" (which must be within the tolerance of Tf).

- Tm is the "highest temperature it can withstand for a short period of time."

The core relationship is:

Th (safe operation) < Tf (design blowing temperature) ≈ To (actual blowing temperature) < Tm (short-term limit temperature)

The following is a table comparing the Th, Tf, and Tm parameters for common temperature fuse models.

Tf	Th	Tm	Difference between Th and Tf	Difference between Tf and Tm	Typical application scenarios
113℃	84℃	240℃	29℃	127℃	Power adapter, charger.
121℃	92℃	250℃	29℃	129℃	Microwave oven, rice cooker.
150℃	115℃	270℃	35℃	120℃	Electric iron, coffee machine.
216℃	176℃	280℃	40℃	64℃	Electric ovens, industrial heating equipment.
240℃	192℃	300℃	48℃	60℃	High-temperature industrial motors and transformers.
250℃	200℃	320℃	50℃	70℃	Special Industrial Heating Elements.

Product Pictures

Certifications

FAQ

FAQ

Q1 Are you trader? 
A1 We are factory.
 
Q2 What's your lead time for 5000pcs?
A2 We need around 20days after down payment received. .
 
Q3 You payment term?
A3 We accept LC, T/T 20% remittance +80% before delivery, DP.
 
Q4 Can we print our LOGO on heating element?
A4 Yes.
 
Q5 Do you offer guarantee? 
A5 Yes. We offer 1 year guarantee.