ISKRA motor protection switch MS25-4
Motor protection switch MS25

ISKRA motor protection switch MS25-4

Setting range: 2.5 - 4.0A

Item No. 4073.5108



Features

  • Overload and short-circuit release with phase failure sensitivity
  • Temperature compensated
  • Optimal protection for motors up to 32A
  • Main switch and disconnector function
Versions
Item No.Manufacturer IDDelivery TimeStockQuantities / Prices
4073.510830.107.962 1 day(s) 250 from 1 Stück: 28,02 €
28,02 €   inkl. VAT
+ Shipping
Technical Features
Series Specifications

Designation

MS25

Rated operating voltage Ue

690VAC

Frequency

50/60Hz

Motor switching capacity AC-3

max. 690V

Rated operating current Ie

0.16 - 32A depending on the range.

Impulse voltage withstand strength Uimp

6000V

Electrical lifespan AC-3

100,000 switching cycles

main contacts

3 normally open contacts

Electric lifespan DC-5

20,000 switching cycles

Mechanical lifespan

100,000 switching cycles

Ambient temperature

-25°C ... +60°C

Shock resistance

20g/11ms

Installation position

Any

connection cross-section

1.0 - 6.0 mm² (rigid); 0.75 - 4.0 mm² (flexible with end sleeve)

Tightening torque of the connection screws (main contact)

1.8Nm

Overvoltage category/pollution degree

III/3

Rated short-circuit switching capacity 400V AC

50kA up to 6.3A; 6kA up to 32A

Approvals

CE, UL EAC

Individual Parameters

Designation

MS25-4

rated current

2.5-4 A

Standard motor power at 380/400/415V (AC-3)

1.1-1.5 kW

Standard motor power at 550V (AC-3)

1.5-2.2 kW

Standard motor power at 660/690V (AC-3)

2.2-3 kW

Rated current short-circuit release

56 A

Pre-insurance at 400 V (gL, aM)

Not required A


Manufacturer
Iskra, d.d.o., Stegne 21, SI - 1000 Ljubljana

Downloads

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Downloads for the Series
Safety information   
Accessories
Housing type O-55

Housing type O-55

for Iskra motor protection circuit breaker MS25
Hersteller-ID: 38.422.510Artikel-Nr.: 4073.5145

Preis 10,96 €

Details
Front panel for Iskra motor protection switch

Front panel for Iskra motor protection switch

IP55, type CP-55
Hersteller-ID: 38.421.994Artikel-Nr.: 4073.5146

Preis 9,82 €

Details
emergency stop button

emergency stop button

Only for ISKRA housings O-55 and CP-55
Hersteller-ID: 38.901.665Artikel-Nr.: 4073.5150

Preis 12,20 €

Details
The connection and installation of devices that are not ready for connection may only be carried out by a qualified specialist.
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