Product Length/Depth

160 mm

Product Height

140 mm

Product Width

55 mm

Product Weight

1.136 kg

Certifications

UL Category Control No.: NLRV

IEC/EN 60947-4-1

CSA

IEC/EN 60947

CE

CSA Class No.: 3211-05

CSA File No.: 165628

VDE 0660

CSA-C22.2 No. 60947-4-1-14

UL 60947-4-1

UL

UL File No.: E36332

Actuator type

Turn button

Features

Phase-failure sensitivity (according to IEC/EN 60947-4-1, VDE 0660 Part 102)

Functions

Phase failure sensitive

Motor protection

Number of poles

Three-pole

Explosion safety category for dust

ATEX dust-ex-protection, PTB 10, ATEX 3012, Ex II(2) G

Lifespan, electrical

30,000 operations (at 400V, AC-3)

Lifespan, mechanical

30,000 Operations (Main conducting paths)

Mounting position

Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.

Operating frequency

40 Operations/h

Overvoltage category

III

Pollution degree

3

Product category

Motor protective circuit breaker

Protection

Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)

Rated impulse withstand voltage (Uimp)

6000 V AC

Shock resistance

15 g, Mechanical, According to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms

Suitable for

Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA)

Also motors with efficiency class IE3

Temperature compensation

-25 - 55 °C, Operating range

<= 0.25 %/K, residual error for T > 40°

-5 - 40 °C to IEC/EN 60947, VDE 0660

Altitude

Max. 2000 m

Ambient operating temperature - min

-25 °C

Ambient operating temperature - max

55 °C

Ambient operating temperature (enclosed) - min

25 °C

Ambient operating temperature (enclosed) - max

40 °C

Ambient storage temperature - min

40 °C

Ambient storage temperature - max

80 °C

Climatic proofing

Damp heat, cyclic, to IEC 60068-2-30

Damp heat, constant, to IEC 60068-2-78

Terminal capacity (flexible with ferrule)

1 x (0.75 - 35) mm², Main cables

2 x (0.75 - 25) mm², Main cables

Terminal capacity (solid)

1 x (0.75 - 16) mm², Main cables

2 x (0.75 - 16) mm²

Terminal capacity (solid/stranded AWG)

14 - 2

Stripping length (main cable)

14 mm

Tightening torque

3.3 Nm, Screw terminals, Main cable

Rated frequency - min

50 Hz

Rated frequency - max

60 Hz

Rated operational current (Ie)

50 A

Rated operational power at AC-3, 220/230 V, 50 Hz

14 kW

Rated operational power at AC-3, 380/400 V, 50 Hz

25 kW

Rated operational voltage (Ue) - min

690 V

Rated operational voltage (Ue) - max

690 V

Rated uninterrupted current (Iu)

50 A

Short-circuit current

60 kA DC, up to 250 V DC, Main conducting paths

Short-circuit current rating (group protection)

42 kA, 600 V High Fault, Fuse, SCCR (UL/CSA)

600 A, 600 V High Fault, max. Fuse, SCCR (UL/CSA)

42 kA, 600 V High Fault, CB, SCCR (UL/CSA)

600 A, 600 V High Fault, max. CB, SCCR (UL/CSA)

Short-circuit current rating (type E)

Accessories required BK50/3-PKZ4-E

50 kA, 480 Y/277 V, SCCR (UL/CSA)

50 kA, 240 V, SCCR (UL/CSA)

Short-circuit release

± 20% tolerance, Trip blocks

775 A, Irm, Setting range max.

Basic device fixed 15.5 x Iu, Trip Blocks

Assigned motor power at 230/240 V, 60 Hz, 3-phase

15 HP

Assigned motor power at 460/480 V, 60 Hz, 3-phase

30 HP

Assigned motor power at 575/600 V, 60 Hz, 3-phase

40 HP

Connection

Screw terminals

Overload release current setting - min

40 A

Overload release current setting - max

50 A

Tripping characteristic

Overload trigger: tripping class 10 A

Equipment heat dissipation, current-dependent Pvid

24.6 W

Heat dissipation capacity Pdiss

0 W

Heat dissipation per pole, current-dependent Pvid

8.2 W

Rated operational current for specified heat dissipation (In)

50 A

Static heat dissipation, non-current-dependent Pvs

0 W

10.2.2 Corrosion resistance

Meets the product standard's requirements.

10.2.3.1 Verification of thermal stability of enclosures

Meets the product standard's requirements.

10.2.3.2 Verification of resistance of insulating materials to normal heat

Meets the product standard's requirements.

10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects

Meets the product standard's requirements.

10.2.4 Resistance to ultra-violet (UV) radiation

Meets the product standard's requirements.

10.2.5 Lifting

Does not apply, since the entire switchgear needs to be evaluated.

10.2.6 Mechanical impact

Does not apply, since the entire switchgear needs to be evaluated.

10.2.7 Inscriptions

Meets the product standard's requirements.

10.3 Degree of protection of assemblies

Does not apply, since the entire switchgear needs to be evaluated.

10.4 Clearances and creepage distances

Meets the product standard's requirements.

10.5 Protection against electric shock

Does not apply, since the entire switchgear needs to be evaluated.

10.6 Incorporation of switching devices and components

Does not apply, since the entire switchgear needs to be evaluated.

10.7 Internal electrical circuits and connections

Is the panel builder's responsibility.

10.8 Connections for external conductors

Is the panel builder's responsibility.

10.9.2 Power-frequency electric strength

Is the panel builder's responsibility.

10.9.3 Impulse withstand voltage

Is the panel builder's responsibility.

10.9.4 Testing of enclosures made of insulating material

Is the panel builder's responsibility.

10.10 Temperature rise

The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.

10.11 Short-circuit rating

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

10.12 Electromagnetic compatibility

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

10.13 Mechanical function

The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.