SWTC-464-3535 SELCO, SWTC-464-3535 Datasheet

SWTC-464-3535

Manufacturer Part Number

SWTC-464-3535

Description

THERMAL CUTOFF, 1 SHOT, FAULT 464 F, HOLD 379 F, 125/250VAC, 10A CONT, 1.38 LEAD

Manufacturer

SELCO

Type

Cutoffr

Datasheet

1.SWTC-464-3535.pdf (1 pages)

Specifications of SWTC-464-3535

Brand/series

SWTC

Current, Rating

10 A

Dimensions

0.413 L × 0.157 Dia. In.

Mounting Type

Solder

Tolerance

+0°F to +11°F (+0°C to +6°C)

Voltage, Rating

125/250 VAC

Approvals

CSA and UL RecognizedApplications

Lead Free Status / Rohs Status

RoHS Compliant part

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Models available from stock - subject to availability

T F - Functioning Temperature: Temperature at which the thermal cutoff will open + A, B or C

T H - Hold Temperature: The maximum temperature at which a thermal cutoff can be maintained

-- Applied but not approved

Special lead lengths are available

Color Band does not denote temperature group

Stock models have 35mm ± 3.5mm lead lengths

SWTC-183-3535*

SWTC-194-3535*

SWTC-196-3535*

SWTC-199-3535*

SWTC-212-3535*

SWTC-228-3535*

SWTC-250-3535*

SWTC-282-3535*

SWTC-291-3535*

SWTC-442-3535*

SWTC-464-3535*

SWTC-162-3535

SWTC-170-3535

SWTC-208-3535

SWTC-259-3535

SWTC-262-3535

SWTC-306-3535

SWTC-333-3535

SWTC-336-3535

SWTC-363-3535

SWTC-378-3535

SWTC-383-3535

SWTC-421-3535

tolerances

while conducting rated current for 168 hours which will not cause a change in state of the

conductivity to open the circuit

Number

Model

(714) 917-1333

I t i s t h e c u s t o m e r ’s s o l e r e s p o n s i b i l i t y t o s p e c i f y a n d d e t e r m i n e t h e s u i ta b i l i t y o f a pa r t i c u l a r

Temperature/Current Correlation Curve

c o n t r o l o r c o m p o n e n t b a s e d o n t h e i r u n i q u e i n d i v i d u a l a p p l i c a t i o n s a n d r e q u i r e m e n ts

Temperature

Functioning

100

109

121

126

128

139

144

152

167

169

184

192

195

216

228

240

ºC

(T F )

162

171

183

194

196

199

208

212

228

250

259

262

282

291

306

333

336

363

378

383

421

442

464

ºF

O n e S h o t T h e r m a l C u t o f f s

Current (A)

(800) 257-3526

Tolerance

(T F )

www.selcoproducts.com

Temperature

100

103

114

119

127

144

114

159

162

165

178

187

193

ºC

Holding

(T H )

117

126

135

149

151

154

163

167

183

201

212

217

237

246

261

291

318

324

329

352

369

379

ºF

S W T C S e r i e s

FAX (714) 917-1355

cUL

UL/

VDE

Electrical ratings

Dual electrical ratings

for continuous duty

(models listed with a *)

Temperature tolerance

Approvals

* Due to the TCO body being electrically live, Selco offers an insulation

sleeve. Consult Selco for details.

FEATURES

Thermal cutoffs are designed to provide upper limit

temperature protection for many electronic products. Under

normal operating temperature, the solid pellet compresses a

spring which holds the star contact against the isolated lead.

When a fault temperature is reached, the pellet melts and

the circuit is opened permanently.

It is important to allow sufficient time to determine the

proper and best location for a thermal cutoff. The location

will affect the cutoff’s ability to protect your product. Placing

in the highest temperature area is usually best.

The performance of thermal cutoff requires proper handling during installation for it to operate

in its intended manner. These instructions are intended to be used to reduce the risk of

malfunction of the thermal cutoff which may result from improper installation during forming

of leads, splicing, welding and soldering.

1. Bending Leads

Care should be taken when forming the Thermal Cutoff (TCO) leads. The TCO leads must

be supported 1/8” from bend and epoxy. This will prevent the epoxy seal from cracking

which may result in premature degradation of the pellet. A close visual inspection should

be performed to make sure that the TCO leads have not been cut, nicked, folded sharply,

fractured or burned.

2. Mechanical Forces During Appliance Connection

a. When installing the TCO, avoid unnecessary bending, twisting, pulling or pushing on the

TCO leads. Care should be taken to avoid cracking or chipping of the epoxy, which may

result from sharp twisting or bending of the lead.

b. The TCO body must maintain its cylindrical shape to function properly. Excessive

clamping could cause denting or crushing of the TCO body, which may lead to failure.

X-ray and visual inspection of the TCO will determine if the fuse body has been damaged.

c. Note that the TCO body is electrically live and must be insulated before applying a metal

clamp over the TCO body.

d. Care should be used when pushing the epoxy end lead to avoid the lead being forced

into the TCO body. This could result in a failure.

T H

T S

T D

T P

Low cost

Excellent contact rating

Quick and easy installation

The highest temperature of the product to which a cutoff is to be attached

The safe temperature range for use of the cutoff

T F - T H = T S

Where TF = the functioning temperature (24ºC less than or equal to TS less

than or equal to 40ºC)

The heating temperature caused by electrical load

1. Self heating of lead wire

2. Structure of ventilation or air tightness

3. Location of connecting terminal

4. Thickness of insulated covering material

5. Best condition value, electric voltage changes considered

E-mail: sales@selcoproducts.com

TP + TS + TD + a = Applicable Temperature

Determining The Proper Series

Installation Instructions

SPECIFICATIONS

125/250VAC, 10 Amps, Continuous Duty

125/250VAC, 15 Amps, Interrupting Current

125/250VAC, 10 Amps, Continuous Duty

125VAC, 15 Amps, Continuous Duty

125/250VAC, 15 Amps, Interrupting Current

A = +0ºF/-7ºF (+0ºC/-4ºC) (refer to p/n chart)

B = +0ºF/-9ºF (+0ºC/-5ºC) (refer to p/n chart)

C = +0ºF/-11ºF (+0ºC/-6ºC) (refer to p/n chart)

UL Recognized Component, CSA, VDE

RoHS Compliant

APPLICATIONS

Appliances

Motors

Personal care

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