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Square D

A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20

Category Thermal Overload Heater Elements
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Square D

A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20

Item Code: 525100
Category Thermal Overload Heater Elements
Manufacturer SCHNEIDER ELECTRIC
Manufacturer Ref A.71

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Document
Watch video
Call for Availability
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Description

Thermal units are intended to protect motors, controllers, and branch circuit conductors against excessive heating due to prolonged motor over currents up to and including locked rotor currents. Protection of the motor and the other branch circuit components from higher currents, due to short circuits or grounds, is a function of the branch circuit fuses or circuit breakers. Class 20 thermal units respond to overload current conditions according to trip curves. These thermal units will trip in 20 seconds or less on overload conditions. The proper thermal unit is selected using the motor full load current and a selection table. These thermal units have a one piece construction. The motor current passes through a small heater winding within these thermal units. Under overload conditions, the heat causes a special solder to melt allowing a ratchet wheel to spin free thus opening the control circuit contacts and opening the motor contacts.

Specifications

Weight

0.04lb

Height

0.8mm

Width

1.09mm

Length

2.26mm

AD All Features

Switch electric motors with variety of overload relays

AD Application

Thermal Overload Relays, Magnetic Motor Starters and Motor Controls Applications

AD Brand (Description)

Square D

AD Country

USA

AD Country Of Origin

US

AD Invoice Description

UNIT THRM 0.59 TO 0.65A STD PLUG-IN

AD Item Features 01

Switch electric motors with variety of overload relays

AD Item Features 02

600V Maximum

AD Item Features 03

Simple catalog number for easy and fast ordering

AD Manufacturer (Description)

Schneider Electric

AD Package Height

0.8000

AD Package Height UOM

IN

AD Package Length

2.2600

AD Package Length UOM

IN

AD Package Quantity

1

AD Package Volume

2.3000

AD Package Volume UOM

cu-in

AD Package Weight

0.0400

AD Package Weight UOM

LB

AD Package Width

1.0900

AD Package Width UOM

IN

AD Video Links

https://www.youtube.com/embed/Gy1KrKzer3o

Brand

Square D

Category

THERMAL OVERLOAD HEATER ELEMENTS

Spec 1 Attribute

Full Load Current

Spec 1 Attribute UOM

A

Spec 1 Attribute Value

0.59 to 0.65

Spec 2 Attribute

Mounting Type

Spec 2 Attribute Value

Plug-In

Spec 3 Attribute

Size

Spec 3 Attribute Value

2.6 in L x 1.7 in W x 3.5 in H

Spec 4 Attribute

Temperature Rating

Spec 4 Attribute UOM

deg C

Spec 4 Attribute Value

40

Spec 5 Attribute

Trip Type

Spec 5 Attribute Value

Standard

Spec 6 Attribute

Type

Spec 6 Attribute Value

Melting Alloy

Square D

A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20

Category Thermal Overload Heater Elements
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20 Picture of A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20
Square D

A.71 - Thermal Unit, Type S, Type A, melting alloy, Class 20

Item Code: 525100
Category Thermal Overload Heater Elements
Manufacturer SCHNEIDER ELECTRIC
Manufacturer Ref A.71

Document
Document
Watch video
Call for Availability
Add to Favorites
Compare

Description

Thermal units are intended to protect motors, controllers, and branch circuit conductors against excessive heating due to prolonged motor over currents up to and including locked rotor currents. Protection of the motor and the other branch circuit components from higher currents, due to short circuits or grounds, is a function of the branch circuit fuses or circuit breakers. Class 20 thermal units respond to overload current conditions according to trip curves. These thermal units will trip in 20 seconds or less on overload conditions. The proper thermal unit is selected using the motor full load current and a selection table. These thermal units have a one piece construction. The motor current passes through a small heater winding within these thermal units. Under overload conditions, the heat causes a special solder to melt allowing a ratchet wheel to spin free thus opening the control circuit contacts and opening the motor contacts.

Specifications

Weight

0.04lb

Height

0.8mm

Width

1.09mm

Length

2.26mm

AD All Features

Switch electric motors with variety of overload relays

AD Application

Thermal Overload Relays, Magnetic Motor Starters and Motor Controls Applications

AD Brand (Description)

Square D

AD Country

USA

AD Country Of Origin

US

AD Invoice Description

UNIT THRM 0.59 TO 0.65A STD PLUG-IN

AD Item Features 01

Switch electric motors with variety of overload relays

AD Item Features 02

600V Maximum

AD Item Features 03

Simple catalog number for easy and fast ordering

AD Manufacturer (Description)

Schneider Electric

AD Package Height

0.8000

AD Package Height UOM

IN

AD Package Length

2.2600

AD Package Length UOM

IN

AD Package Quantity

1

AD Package Volume

2.3000

AD Package Volume UOM

cu-in

AD Package Weight

0.0400

AD Package Weight UOM

LB

AD Package Width

1.0900

AD Package Width UOM

IN

AD Video Links

https://www.youtube.com/embed/Gy1KrKzer3o

Brand

Square D

Category

THERMAL OVERLOAD HEATER ELEMENTS

Spec 1 Attribute

Full Load Current

Spec 1 Attribute UOM

A

Spec 1 Attribute Value

0.59 to 0.65

Spec 2 Attribute

Mounting Type

Spec 2 Attribute Value

Plug-In

Spec 3 Attribute

Size

Spec 3 Attribute Value

2.6 in L x 1.7 in W x 3.5 in H

Spec 4 Attribute

Temperature Rating

Spec 4 Attribute UOM

deg C

Spec 4 Attribute Value

40

Spec 5 Attribute

Trip Type

Spec 5 Attribute Value

Standard

Spec 6 Attribute

Type

Spec 6 Attribute Value

Melting Alloy

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