Factory Brand New 250V 16A TF184℃ Metal Thermal Fuse Overheat Protection Components

Product Description

Product Description

Factory Brand New RY184 250V 16A Tf184℃ Metal Thermal Fuse Overheat Protection Components

Basic Introduction: 
A thermal fuse (thermal cut-off) is a non-resettable overheat protection component. 
When the equipment temperature exceeds a set threshold, the internal fusible element melts to cut off the circuit, preventing overheating from causing a fire or equipment damage. It is one of the core safety components of electrical equipment.

Working Principle: 
Internally encapsulated with a low-melting-point alloy (such as bismuth or tin alloy), when the ambient temperature reaches the rated operating temperature, the alloy melts, the contacts open, and the circuit is permanently cut off (it cannot self-reset and needs to be replaced).

Key Features: 
- Small size; 
- Fast response; 
- Low cost; 
- Sensitive only to temperature (unlike overload fuses which are triggered by both current and temperature).

The RY184 (Tf184℃) is suitable for medium-to-high power, medium-to-high temperature operating devices.

Typical applications include:

1) Household appliances: electric ovens (heating element overheat protection), electric irons (dry-burn protection for high-power models), hair dryers (high-temperature setting with backup heating wire protection); 

2) Industrial equipment: medium-power motor windings (such as machine tool motors, fan motors), small industrial heating equipment (such as hot air guns, hot melt glue machines);

3) Commercial equipment: commercial baking ovens (small bakery equipment), steam generators for milk tea shops (high-temperature steam module).

Specification

Product name	Thermal Fuse
Model	RY184 (250V 16A 184℃)
Rated Voltage	250V AC
Rated Current	16A (suitable for medium to high power devices)
Rated Operating Temperature, Tf	(Tf)  184℃ (irreversible, must be replaced after fusing).
Actual Operating Temperature, To	(To)  179~189℃ (tolerance ±5℃)
Holding Temperature, Th	(Th)  144~164℃ (will not melt during long-term operation)
Extreme Temperature, Tm	(Tm)  234~284℃ (upper limit of short-term tolerance)
Disconnection Capability, Isc	(Isc)  250V AC 16A (50/60Hz)
Reset characteristics	Irreversible, cannot self-recover after fuse blown.
Shell	Metal casing (iron / nickel plated)
Certificate	TUV

** 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.