Legrand 406432 Isolating Switch Dx3 Is 1/2 Module Per Pole Instruction Manual

Isolating switch DX³-IS
1/2 module per pole, up to 40A

DESCRIPTION – USE

The isolating switch ensures the breaking and the isolation of electrical circuits.

Fully visible breaking indication.

 RANGE

Polarity and symbols :

OVERALL DIMENSIONS

PREPARATION – CONNECTION

Mounting :

• On symmetrical EN 60.715 rail or DIN 35 rail.

Operating positions:

Power supply:

• For devices without indicator light: Either from the top or the bottom.
• For devices with indicator light: From the top.

Module maintenance:

• Isolating switches may be replaced in the middle of a row supplied with busbars without disconnecting the other products.
  This method is available for the 1-pole, 2-poles, 3-poles, 4-poles.

Connection:

• Terminals protected against direct contact IP20, wired device.
• Cage terminals, with release and captive screws.
• Terminals fitted with shutters preventing a cable from being placed under the terminal, with the terminal partly open or closed.
• Alignment and spacing of the terminals permitting connection with the other products in the range via prong supply busbars.
• Terminal depth: 14 mm.
• Screw head: mixed, slotted, and Pozidriv no. 2.
• Tightening torques:
  – Min : 1.2 Nm
  – Recommended : 1.6 to 2 Nm
  – Max : 2.8 Nm

Conductor type:

• Copper cable or supply busbar.
• Cable cross-section:
  

  	Without ferrule	With ferrule
  Rigid cable	1 conductor 1.5 to 16 mm² 2 conductors 1.5 to 6 mm²
  Flexible cable	1 conductor 1.5 to 10 mm² 2 conductors 1.5 to 4 mm²	1 conductor 1.5 to 10 mm²

Recommended tools:

•  For the terminals:
  – Screwdriver with 5.5 mm blade.
  – Pozidriv no. 2 screwdriver.
• For attaching or removing the DIN rail:
  – Screwdriver with 5.5 mm blade.
  – Pozidriv no. 2 screwdriver.

Manual actuation of the Isolating switch:

• Ergonomic 2-position handle:
• “O-OFF”: Device open.
• “I-ON”: Device closed.

Contact status display:

• By marking the handle:
  – “O-OFF” in white on a green background = contacts open.
  – “I-ON” in white on a red background = contacts closed.

Locking:

• Padlocks possible in the open and closed positions with padlock support (Cat. No. 4 063 03) and Ø5 mm padlock (Cat. N°. 4 063 13) or Ø6 mm padlock (Cat. N°. 0 227 97).

Sealing:

• Possible in the open or closed positions.

Labeling:

• Circuit identification by way of a label inserted in the label holder situated on the front of the product.
  

GENERAL CHARACTERISTICS

Marking on the front side:

• By permanent ink pad printing.
  Without indicator light :

*Rated current with X: Devices tested on the fluorescent lamp.

Marking on the upper panel:

• By permanent ink pad printing.
  Without indicator light :

Rated operational voltage:
1-pole with or without indicator light and 2 poles with indicator light: We = 250 V ~
2-poles without indicator light, 3-poles, and 4-poles: We = 400 V ~

Rated frequency:

• 50/60 Hz with standard tolerances.

Short circuit withstands:

• Rated conditional short-circuit current in combination: see coordination table on page 4.

Following IEC/EN 60947-3 :

• Icw = 750 A
• Icm = 1500 A

Following IEC/EN 60669-2-4 :

• Inc =4500 A with a fuse of the same rated current.

Insulation voltage:

• Ui = 500 V

Rated impulse withstand voltage:

• Uimp = 6 kV

Direct current utilization :

• 48V (110V with 2 poles serial cabling).

Utilization category:

• AC22: Mixed load.
• A: Frequent operations.
• AC23: Inductive load. Complies with IEC/EN 60947-3. Characteristic not marked on the product

Degree of pollution:

• 3 in accordance with standard IEC 60664-1.

The power dissipated per pole :

Indicator light (if equipped):
Technology: the fluorescent lamp.
Shelf life: 50 000 Hours.
Color: Orange.
Degree or class of protection:

• Terminals protected against direct contact, Class of protection against solid objects and liquids (wired device): IP20 in accordance with standards IEC 529 – EN 60529 and NF 20-010.
• Class II in relation to metallic conductive parts
• Class of protection against mechanical impacts IK04 in accordance with standard EN 62262.

Plastic materials:

• Polyamide, PBT and PC

Enclosure heat and fire resistance:

• Resistance to glow wire tests at 960°C, in accordance with standard IEC 60695-2-10 & 60695-2-11.
• Classification V2, in accordance with standard UL94.

Higher heating potential:

• The heat potential is assessed at:
  

  1-pole and 2-poles	3-poles and 4-poles
  1.29 MJ	2.56 MJ

  Closing and opening effort via the handle:

  Handle force	1-pole	2-poles	3-poles	4-poles
  To switch Off	4N	7N	10N	14N
  To switch On	10N	18N	29N	35N

Mechanical endurance:

• Compliant with standard IEC/EN 60947-3 & IEC/EN 60669-2-4
• 300 000 operations with no load.

Electrical endurance:

• Compliant with standard IEC/EN 60947-3 & IEC/EN 60669-2-4
• 30 000 operations with load AC22A.
• 1 500 operations with load AC23A.

Vibrations and tremors resistance :

• Compliant with appendix Q category F of standard IEC/EN 60947-1.

Ambient temperatures:

• Operation: from – 25 °C to + 70 °C.
• Storage: from – 40 °C to + 70 °C.

Short-circuit behavior in coordination with upstream protection:

• Tests performed according to the protocol of IEC/EN 60669-2-4: The device remains fully functional and meets the switch tests after suffering two short circuits established in coordination with the DPCC of the following table.
  – The first short circuit is set at an angle of 45 °.
  – The second is provided by the switching on of the isolator switch on the short-circuit.

Packaged volume: 

Average unit weight:

COMPLIANCE AND APPROVALS

In accordance with standards:

• IEC/EN 60947-3.
• IEC/EN 60669-2-4.

Usage in special conditions:

• Compliant with appendix Q category F of standard IEC/EN 60947-1.

Respect for the environment – Compliance with European Union Directives:

• Compliance with Directive 2002/95/EC of 27/01/03 known as “RoHS” provides for a restriction on the use of dangerous substances such as lead, mercury, cadmium, hexavalent chromium and polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) brominated flame
  retardants from 1st July 2006.
• Compliance with the Directive 91/338/EEC of 18/06/91 and decree 94-647 of 27/07/04.

Plastic materials:

•  Halogen-free plastic materials.
• Labeling of parts compliant with ISO 11469 and ISO 1043.

Packaging:

• Design and manufacture of packaging compliant with decree 98-638 of 20/07/98 and Directive 94/62/EC.

approvals obtained:

• See a list of approvals available.

AUXILIARIES AND ACCESSORIES

Wiring accessories:

• Supply busbar used on 1 pole and 2 poles:
  – HX³ 1-pole universal supply busbar (Cat N°: 4 049 26, 4 049 37).
  – HX³ 4-poles supply busbar «screw» (Cat N°: 4 052 10).
  – HX³ 4-poles supply busbar « head of the group » (Cat N°: 4 052 00, 4 052 01, 4 052 02).
• HX³ connection module plug-in system set (Cat N°: 4 052 23).
• Connection terminals (Cat N°: 4 049 05, 4 052 08).
• Sealable screwcover (Cat N°: 4 063 04).

Signaling auxiliaries :

•  Auxiliary contact (0.5 module, Cat N°: 4 062 58).
• Double Auxiliary contact (1 module, Cat N°: 4 062 66).

Installation software:

• XL PRO³

Technical data sheet: F01479EN/02
Updated on: 19/06/2020
Created on: 15/11/2012