View larger
Images are for illustrative purposes only. Please refer to data sheet for details
PKZM01-2,5 278481 Y7-278481 EATON ELECTRIC Motor-protective circuit-breaker, 3p, Ir 1.6-2.5A
PKZM01-2,5
278481
Y7-278481
EATON - MOELLER
1 Pcs.
Motor-protective circuit-breaker, 3p, Ir=1.6-2.5A
PKZM01-2,5
Eaton Moeller® series PKZM01 Motor-protective circuit-breaker, 660 V 690 V: 1.5 kW, Ir= 1.6 - 2.5 A, IP20 PKZM01-2,5
Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKZM01, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release
Automation > Motor protection circuit-breaker
Circuit Breakers PKZ
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
Request a Quote
Pricing and availability are confirmed for each enquiry. Send this part and we will reply with price and lead time.
Request QuoteProduct Overview
Compact electric motor control schemes utilize specialized motor-protective circuit-breakers to guard against thermal overloads and short circuits. These devices ensure reliable manual switching and automatic tripping for smaller industrial drives.
Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Overload release current setting (EF002336): 1.6 A
- Adjustment range undelayed short-circuit release (EF007131): 39 A
- With thermal overload protection (EF006233): No
- Phase failure sensitive (EF007400): Yes
- Switch off technique (EF007007): Thermomagnetic
- Rated operating voltage (EF001435): 690 V
- Rated permanent current Iu (EF001389): 2.5 A
- Rated operation power at AC-3, 230 V (EF007025): 0.37 kW
- Rated operation power at AC-3, 400 V (EF001364): 0.75 kW
- Power loss (EF005387): 5.16 W
- Type of electrical connection of main circuit (EF006819): Screw connection
- Type of control element (EF006976): Push button
- Device construction (EF008240): Built-in device fixed built-in technique
- With integrated auxiliary switch (EF001387): No
- With integrated under voltage release (EF001390): No
- Number of poles (EF001391): 3
More info
▲General specifications
Product Name
Eaton Moeller® series PKZM01 Motor-protective circuit-breaker
Catalog Number
278481
Model Code
PKZM01-2,5
EAN
4015082784812
Product Length/Depth
93 mm
Product Height
90 mm
Product Width
45 mm
Product Weight
0.293 kg
Certifications
UL
UL 60947-4-1
CSA File No.: 165628
VDE 0660
CSA Class No.: 3211-05
UL Category Control No.: NLRV
CSA
CSA-C22.2 No. 60947-4-1-14
UL File No.: E36332
IEC/EN 60947-4-1
IEC/EN 60947
CE
UL 60947-4-1
CSA File No.: 165628
VDE 0660
CSA Class No.: 3211-05
UL Category Control No.: NLRV
CSA
CSA-C22.2 No. 60947-4-1-14
UL File No.: E36332
IEC/EN 60947-4-1
IEC/EN 60947
CE
Features & Functions
Actuator type
Push button
Features
Phase-failure sensitivity (according to IEC/EN 60947-4-1, VDE 0660 Part 102)
Functions
Motor protection
Phase failure sensitive
Phase failure sensitive
Number of poles
Three-pole
General
Lifespan, electrical
50,000 operations (at 400V, AC-3)
Lifespan, mechanical
50,000 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
25 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
25 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms
Suitable for
Also motors with efficiency class IE3
Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA)
Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA)
Temperature compensation
-25 - 55 °C, Operating range
≤ 0.25 %/K, residual error for T > 40°
-5 - 40 °C to IEC/EN 60947, VDE 0660
≤ 0.25 %/K, residual error for T > 40°
-5 - 40 °C to IEC/EN 60947, VDE 0660
Climatic environmental conditions
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, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, cyclic, to IEC 60068-2-30
Terminal capacities
Terminal capacity (flexible with ferrule)
1 x (1 - 6) mm², ferrule to DIN 46228
2 x (1 - 6) mm², ferrule to DIN 46228
2 x (1 - 6) mm², ferrule to DIN 46228
Terminal capacity (solid)
1 x (1 - 6) mm²
2 x (1 - 6) mm²
2 x (1 - 6) mm²
Terminal capacity (solid/stranded AWG)
18 - 10
Stripping length (main cable)
10 mm
Electrical rating
Rated frequency - min
50 Hz
Rated frequency - max
60 Hz
Rated operational current (Ie)
2.5 A
Rated operational power at AC-3, 220/230 V, 50 Hz
0.37 kW
Rated operational power at AC-3, 380/400 V, 50 Hz
0.75 kW
Rated operational voltage (Ue) - min
440 V
Rated operational voltage (Ue) - max
440 V
Rated uninterrupted current (Iu)
2.5 A
Short-circuit rating
Short-circuit current
60 kA DC, up to 250 V DC, Main conducting paths
Short-circuit current rating (group protection)
50 kA, 600 V High Fault, Fuse, SCCR (UL/CSA) with 600 A, 600 V High Fault, Fuse, SCCR (UL/CSA)
50 kA, 600 V High Fault, CB, SCCR (UL/CSA) with 600 A, 600 V High Fault, CB, SCCR (UL/CSA)
50 kA, 600 V High Fault, CB, SCCR (UL/CSA) with 600 A, 600 V High Fault, CB, SCCR (UL/CSA)
Short-circuit release
38.8 A, Irm, Setting range max.
Basic device fixed 15.5 x Iu, Trip Blocks
± 20% tolerance, Trip blocks
Basic device fixed 15.5 x Iu, Trip Blocks
± 20% tolerance, Trip blocks
Motor rating
Assigned motor power at 200/208 V, 60 Hz, 3-phase
0.5 HP
Assigned motor power at 230/240 V, 60 Hz, 1-phase
0.17 HP
Assigned motor power at 230/240 V, 60 Hz, 3-phase
0.5 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase
1 HP
Assigned motor power at 575/600 V, 60 Hz, 3-phase
1.5 HP
Communication
Connection
Screw terminals
Trip blocks
Overload release current setting - min
1.6 A
Overload release current setting - max
2.5 A
Design verification
Equipment heat dissipation, current-dependent Pvid
5.16 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
1.72 W
Rated operational current for specified heat dissipation (In)
2.5 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.