A4.79 - Schneider Electric - Square D Overload Relay Thermal Unit
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A4.79 - Schneider Electric - Square D Overload Relay Thermal Unit

A4.79 - Schneider Electric - Square D Overload Relay Thermal Unit

Square DSKU: SQDA4.79
Price:
$20.35
Stock:
Sold out

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Description

A4.79 - Schneider Electric - Square D Overload Relay Thermal Unit

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.


GENERAL SPECIFICATIONS

Main
Range of Product A
Thermal overload type Melting alloy
Motor tripping class 20
Ordering and shipping details
Category US10CP121781
Discount Schedule 0CP1
GTIN 785901585343
Returnability Yes
Country of origin MX
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 0.80 in (2.032 cm)
Package 1 Width 1.20 in (3.048 cm)
Package 1 Length 2.40 in (6.096 cm)
Package 1 Weight 0.640 oz (18.144 g)
Unit Type of Package 2 CAR
Number of Units in Package 2 6
Package 2 Height 3.50 in (8.89 cm)
Package 2 Width 1.70 in (4.318 cm)
Package 2 Length 2.60 in (6.604 cm)
Package 2 Weight 3.840 oz (108.862 g)


PRODUCT DATASHEET

A4.79_Product Datasheet

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