Thermal Fuse (SW-1 Series)

Introduction

SW-1 Series Thermal Cutoffs uses a thermally stable insulation type organic material as a fusible element and operates by spring action. SW-1 Series is compact, high current capacity, sensitive to ambient temperature and single operation over-temperature protection for household appliances, resistive heating elements, business machines like refrigerator, oven boiling pot, iron etc.

Features

• Broad product range for many applications
• Stable temperature
• Wide temperature range
• Small size
• Simple installation
• Varied connections
• High reliability

Applications

• Appliances and equipment, electrical plant and machinery.
• Examples :
  - Refrigerators, Rice cookers, Coffee machines, Grills, Stoves, Irons, Heaters, Hair driers, Cleaning appliances, Mixer Battery pack, Air conditioner for automobile Electric heating pad

Construction

Electrical Ratings

• RATED VOLTAGE / RATED CURRENT :
  - 250V 10A(UL,C-UL,VDE,TUV,PSE,CCC,EK)
  - 125V 15A(UL,C-UL)
  - 250V 15A(VDE,EK)
• INTERRUPTING CURRENT : 250V, ac 15A
• TRANSIENT OVERLOAD TEST CURRENT : DC current pulses, with an amplitude 150 A and a duration of 3 ms with 10 s intervals, are applied for 100 successive cycles through the current path.

Dimensions

Dimension (mm)	a	b	c	d	e
long	35.0 ±1.0	10.5 ±0.5	35 ±1.0	4.0 ±0.05	1.0(18AWG)
short	35.0 ±1.0	10.5 ±0.5	18 ±1.0	4.0 ±0.05	1.0(18AWG)
special	9.0 ~ 64.0	10.5±0.5	9.0 ~ 40.0	4.0 ±0.05	1.0(18AWG)

Temperature Ratings

Cat NO.	Tf	Cutoff temperature	Th	Tm (VDE)	K-mark	UL	C-UL	VDE	TUV	CCC	PSE
SW-102T	72°C	72°C+0°C,-4°C	57°C	200°C
SW-105T	77°C	77°C+0°C,-4°C	62°C	200°C
SW-109T*	84°C	84°C+0°C,-5°C	69°C	180°C
SW-152T*	90°C	90°C+0°C,-4°C	75°C	180°C
SW-106T*	91°C	91°C+0°C,-4°C	76°C	180°C
SW-153T*	93°C	93°C+0°C,-5°C	78°C	180°C
SW-104T	98°C	98°C+0°C,-4°C	83°C	190°C
SW-108T*	100°C	100°C+0°C,-5°C	85°C	190°C
SW-110T*	109°C	109°C+0°C,-5°C	94°C	190°C
SW-111T*	121°C	121°C+0°C,-5°C	106°C	200°C
SW-115T	126°C	126°C+0°C,-4°C	111°C	200°C
SW-129T	128°C	128°C+0°C,-5°C	113°C	200°C
SW-114T*	139°C	139°C+0°C,-4°C	124°C	200°C
SW-138T*	144°C	144°C+0°C,-5°C	127°C	260°C
SW-116T	152°C	152°C+0°C,-4°C	137°C	270°C
SW-120T	167°C	167°C+0°C,-4°C	152°C	280°C
SW-118T	169°C	169°C+0°C,-5°C	154°C	280°C
SW-127T	184°C	184°C+0°C,-6°C	169°C	220°C
SW-122T	192°C	192°C+3°C,-3°C	177°C	300°C
SW-125T	195°C	195°C+0°C,-6°C	180°C	300°C
SW-139T*	216°C	216°C+0°C,-6°C	200°C	370°C
SW-124T*	228°C	228°C+0°C,-6°C	200°C	370°C
SW-128T*	240°C	240°C+0°C,-6°C	200°C	370°C

Note : 1) SW-106T, 108T, 109T, 110T, 111T, 114T, 124T, 128T, 138T, 139T, 152T, 153T
- Dual Ratings by UL 250V 10A & 125V 15A
= Approved
= Applied

Marking

Each TCO shall be marked with :
Trade Name : S.W.C
Type No. SW-1XXT
Ratings :	Rated voltage (V), Rated current (A)
	Rated Functions temperature (°C)
Approval Mark
Lot Code