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Siemens Siemens 5SY4340-8

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Description

Industry Description

SUPPLEMENTARY PROTECTOR,3P,40A,CURVE D Supplementary Protector, UL1077 Rated, IEC Mini Circuit Breaker, 3 Pole, 40 Amps, 480 VAC, Trip Characteristic Curve D, 54mm Width,70mm Depth, UL File E116386 in Vol. 1 Sec. 2

Modified Industry Description

SUPPLEMENTARY

AD Description

Siemens Sentron™ 5SY4340-8 Supplementary Protector, 480 VAC, 40 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip

Vendor Description

Miniature circuit breakers are used to protect systems and installations in buildings and for industrial applications. Used in industrial applications and plant engineering, miniature circuit breakers can be supplemented with additional components, such as auxiliary switches, fault signal contacts, shunt trips, under voltage releases, remote controlled mechanism, RC units and arc fault detection devices. The devices are approved for worldwide use according to IEC standards for power supply systems up to 250/440 VAC. 72 VDC per pole is permitted in DC systems.

Specifications

Amperage Rating
40
Application
SUPPLEMENTARY PROTECTION
Connection
Identical wire screw connections on line and load side.
Country of Origin
DE
Dimensions
90 mm H x 54 mm W x 76 mm D
Frequency_Rating
50/60
Interrupt_Rating
5
Length1
28.0500
Mounting_Type
DIN Rail
Number_Of_Poles
3
Series
5SY
Special_Features

  • 1.13 to 1.45 thermal trip point protector rating
  • 10 to 20 times magnetic trip point rating
  • Captive metal brackets on the additional components ensure the quick and easy mounting of devices on the miniature circuit breakers without the need for tools
  • Class D-trip
  • Clear and visible conductor connection in front of the rear busbar facilitates controls
  • Double terminal chambers permit accommodation of two wires of different cross-sections
  • For the quick and easy mounting of auxiliary switches and fault signal contacts
  • Quick and easy manual removal of miniature circuit breakers from the busbar assembly, for example if connections need to be changed
  • The conductor is easily inserted into the terminal thanks to the large and easily accessible wiring space
  • Time saving replacement of parts as busbars no longer need to be freed from adjacent devices
  • Type D characteristic is designed for high inrush loads

Standard
UL 1077, CSA 22.2 NO. 235, CE, EN 60 898, IEC/EN 60 947-2
Sub_Brand
SENTRON
Temperature_Rating
-25 to 55
Type
Miniature Circuit Breaker
Voltage Rating
400

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