G4A01128C G4A01077C G4A01098C G4A01152C G4A01104C G4A01084C G4A01093C G4A0117C Thermal Fuse

Upper Limit Temperature Protection

MICROTEMP, the original thermal fuse from Therm-O-Disc, offers the broadest combination of globally certified temperatures and electrical loads, as well as the broadest range of packages, mountings and design configurations on the market today.

Features

• Globally certified temperatures and electrical loads
• One-shot operation cuts off electrical power
• Current interruption capacity up to 25 amps @ 250VAC
• Low resistance
• Compact size
• RoHS compliant

Operating Principle

The active trigger mechanism of the thermal fuse is an exclusively formulated, electrically nonconductive pellet. Under normal operating temperatures, the solid pellet holds spring loaded contacts closed. When a predetermined tempera- ture is reached, the pellet melts, allowing the compression spring to relax. The trip spring then slides the contact away from the lead and the circuit is opened.
After the thermal fuse opens a circuit, the fuse needs to be replaced. This replacement procedure must include correc- tion of the fault condition before the product is operated again.

Applications

• Major Appliance
• Portable Appliance
• HVAC
• Water Heater
• Hair Care
• Other

Minimum Dimensions - Inches (mm)

Tf = Functioning open temperature +0/-50 C

Th = Maximum temperature of the thermal fuse, measured at the case end, at which the thermal fuse can be maintained for a period of at least168

hours without opening

Tm = Maximum overshoot temperature. Temperature up to which the open thermal fuse will not change state

NOTES:

• It is advised that TCOs are not exposed to continuous operating temperatures in excess of Tf -25°C

• Comparative tracking index (all primary TCOs): 250VAC

• G4, G5, G6, G7 and G8 series TCOs with Tf ≥175°C comply with UL conductive heat aging (CHAT) requirements.

Electrical Current & Voltage Rating

Series

G4

G5

G6

Z6

G7

G8

S9

Agency

Resistive

Inductive

Resistive

Resistive

Resistive

Resistive

Inductive

Resistive

Resistive

UL/CSA

21A/240VAC5

8A/250VAC

20A/250VAC

4.5A/250VAC4

20A/277VAC

10A/250VAC

14A/120VAC

25A/120VAC

16A/250VAC

16A/250VAC

5A/250VAC

4.5A/120VAC4

25A/250VAC

15A/120AC

21A/240VAC

5A/24VDC

5A/24VDC

20A/277VAC

VDE

10A/250VAC

8A/250VAC

20A/250VAC

16A/250VAC

16A/250VAC

5A/250VAC

4.5A/250VAC

25A/250VAC

CCC

5A/24VDC

8A/250VAC

20A/250VA

16A/250VAC

16A/250VAC

5A/24VDC

4.5A/250VAC

25A/250VAC

10A/250VAC

5A/250VAC

PSE JET

10A/250VAC

15A250VAC

15A250VAC

16A/250VAC

5A/250VAC

25A/250V

15A/250VAC

S JET

30A/16VDC2

15A/16VDC3

50A/16VDC2

Korea

10A/250VAC

16A/250VAC

5A/250VAC

1 For S JET ratings for Japan replace “G” with “S” as fifi rst letter of nomenclature

2 Load agency approved for 172C and 240C temperatures only

3 Load agency approved for 152C temperature only

4 Except for 184C rating

5 For CSA only

Contact Details:

Andy Wu

Email: andy@tianrui-fuse.com.cn

MP/Whatsapp: +86 13532772961

Wechat: HFeng0805

Skype: andywutechrich

QQ: 969828363