T12-221SN1.9TZZ06 datasheet, PDF

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T12-221SN1.9TZZ06: DescriptionT12-221SN1.9TZZ06; CategoryPassive components The resistor; File Size155KB，7 Pages; ManufacturerSCHURTER; Websitehttp://www.schurterinc.com/

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T12-221SN1.9TZZ06

T12-221SN1.9TZZ06 Parametric

Parameter Name	Attribute value
Objectid	400425411
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99

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CIRCUIT BREAKERS FOR EQUIPMENT

T12 Series

•

Thermal release

• Positively trip-free

• Reset or manual

actuation

A circuit breaker for equipment (CBE) of the T12 series is a single

pole, thermally operated device providing small size, low cost and

reliable trip-free operation on overloads and short circuits, up to the

maximum breaking capacity. It is intended primarily for protection

of motors, transformers, solenoids etc. against damage due to over-

current conditions.

The well proven mechanism is designed to open the contacts in the

event of a current flow in excess of the time/current characteristic of

the device. A bimetal strip is heated by the overcurrent and deflects,

thereby releasing the latch mechanism. The contacts will open even

if the reset button is manually held in the closed position. This is

known as the positively trip-free feature. The contacts open and

close with a snap action and the tripped state is clearly shown by the

increased projection of the reset button. After operation, the

mechanism will not latch closed until the manual reset button is fully

depressed and then released. It is impossible to ‘tease’ the contacts

by gentle pressure on the reset button.

The time which can elapse in case of an overcurrent is given by

the tripping characteristic (tripping zone). This curve is valid for a

device operating at an ambient temperature of +23°C, without

any preloading.

Available options

•

Flange type

Threaded neck type

Type of actuation: reset or manual ON/OFF (push/push)

Terminals:

– quick connect terminals

– screw clamp terminals

• Independent auxiliary contact (change-over contact)

• Shunt terminal

• Setting indication on the reset button indicates the position

of the contacts

Special features

•

Competitive pricing

Quick connect terminals

Choice of mounting styles

Positively trip-free

Not affected by shock or vibration

UL, CSA, VDE and other approvals

186

Schurter, Inc. • Phone 707-778-6311 • Fax 707-778-6401 • E-mail info@schurterinc.com • Website http://www.schurterinc.com

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