Manual Motor Starters OKN

Product catalog summary

Overview: The document provides detailed specifications and technical data for the OKN series of manual motor starters, which are designed for use in motor technology applications. These starters feature a rotary knob and are available in 2/3-pole configurations.

Specifications:

Rated current setting range: 0.25 – 37.0 A
Rated insulation voltage: 500 V AC
Switching capacity: 7.5 kW
Switching operations: 30 per hour
Temperature range: -25 to +70°C (open), -25 to +60°C (enclosed)
Climatic resistance: IEC 68 T2-3, 2-30
Glow wire resistance: 850°C
Permissible altitude: 3000 m
Vibration resistance: 25 Hz, +/- 1 mm amplitude (2.5 g)
Impact resistance: 5 g (11 ms)

Technical Data:

Surface and screw mounting options available
Mechanical life: 100,000 cycles
Maximum switching operations: 30 cycles/hour
Main current paths: 2/3
Rated operational voltage: Up to 37 A / 250 V, 27 A / 500 V
Thermal current: 37 A, 2-pol / 27 A, 3-pol
Current dissipation loss: 1.8 to 3.2 W
Trip class: 10A

Conductor Cross-Section:

Rigid cable: 1 x 1 ... 6.0 mm², 2 x 1 ... 4.0 mm²
Flexible cable: 1 x 1 ... 4.0 mm², 2 x 1 ... 2.5 mm²

Protection and Ratings:

Degree of protection: IP 20 (open type), IP 54 (enclosed type)
Switching capacity: 230 V 6 kA, 400 V 3 kA, 440 V 3 kA, 500 V 1 kA
Contact rating at AC 3: 230 V - 7.5 kW, 400 V - 11.5 kW, 500 V - 14 kW

Accessories:

Enclosure H with protection IP 41

Catalog excerpts

Manual motor starter with rotary knob, 2/3-pole ■ Thermal trip with phase-drop protection ■ Setting range 0.25 - 27.0 A; 500 V AC ■ Switching capacity 7.5 kW ■ Switching operations 30/h

Open the catalog to page 1

Manual Motor Starters OKN Conductor cross-section OKN r Manual motor starters igid cable 1 x rigid cable 2 x flexible cable*1 x flexible cable* 2 x rigid cable 1 Enclosure/ x PE/N terminal rigid cable 2 x flexible cable*1 x flexible cable* 2 x Degr. of protection acc. to DIN 40050 open type / enclosed type 40 ... 60 Hz P1 / Icn acc. to VDE 0660 / IEC 155-1 allowing for the mains back-up fuse 230 V 400 V 440 V 500 V * with cable end sleeve Contact rating at AC 3 OKN 230 V 400 V 500 V Setting ranges, intrinsic safety and max. back-up fuses OKN Order reference OKN 0,4 OKN 0,63 OKN 1,0 OKN 1,6 OKN...

Open the catalog to page 2

Manual Motor Starters OKN Dimensions OKN Gehäusemotor starter OKN Manual B Manual motor starter OKN Manual motor starter OKN 30 u. OKN 37 (2-pol.) Motor technology

Open the catalog to page 3

All Condor Pressure Control GmbH catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list