Motor Protection Circuit Breaker 50-58A (PKZM4-58)
Eaton

Motor Protection Circuit Breaker 50-58A

Part numberPKZM4-58EAN / GTIN4015082223946HS code8536.90
Electrical Components
Motor Protection Circuit Breakers
MOQ:1

Pricing

Request a quote

We reply within 24 hours

Product Description

Eaton PKZM4-58 MOTOR PROTECTION CIRCUIT BREAKER 50-58A.

Technical Specifications

Manufacturer part number (MPN)
PKZM4-58
EAN / GTIN
4015082223946
HS code
8536.90
Sales unit
pcs
Eaton catalogue number
222394
Depth
160 mm
Height
140 mm
Width
55 mm
Weight
1.136 kg
Certifications
CSA Class No.: 3211-05; IEC/EN 60947-4-1; CSA File No.: 165628; CSA-C22.2 No. 60947-4-1-14; UL Category Control No.: NLRV; VDE 0660; CE; CSA; IEC/EN 60947; UL File No.: E36332; UL; UL 60947-4-1
Altitude
Max. 2000 m
Ambient operating temperature - max
55 °C
Ambient storage temperature - max
80 °C
Ambient operating temperature - min
-25 °C
Ambient operating temperature (enclosed) - max
40 °C
Ambient operating temperature (enclosed) - min
-25 °C
Ambient storage temperature - min
-40 °C
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
Rated operational current for specified heat dissipation (In)
58 A
Static heat dissipation, non-current-dependent Pvs
0 W
Equipment heat dissipation, current-dependent Pvid
28.2 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
9.4 W
Rated frequency - max
60 Hz
Rated frequency - min
50 Hz
Rated operational current (Ie)
58 A
Rated operational power at AC-3e, 220/230 V, 50 Hz
17 kW
Rated operational power at AC-3e, 380/400 V, 50 Hz
30 kW
Rated operational power at AC-3e, 440 V, 50 Hz
37 kW
Rated operational power at AC-3e, 500 V, 50 Hz
37 kW
Rated operational power at AC-3e, 690 V, 50 Hz
55 kW
Rated operational voltage (Ue) - max
690 V
Rated operational voltage (Ue) - min
690 V
Rated uninterrupted current (Iu)
58 A
Actuator type
Turn button
Features
Phase-failure sensitivity (according to IEC/EN 60947-4-1, VDE 0660 Part 102)
Functions
Motor protection; Phase failure sensitive
Number of poles
Three-pole
Connection
Screw terminals
Degree of protection
IP20; Terminals: IP00
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
Also motors with efficiency class IE3; Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA)
Temperature compensation
-25 - 55 °C, Operating range; -5 - 40 °C to IEC/EN 60947, VDE 0660; ≤ 0.25 %/K, residual error for T > 40°
Assigned motor power at 230/240 V, 60 Hz, 1-phase
10 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase
40 HP
Assigned motor power at 575/600 V, 60 Hz, 3-phase
50 HP
Rated short-circuit breaking capacity Icu at 400 V AC
50 kA
Short-circuit current
60 kA DC, up to 250 V DC, Main conducting paths
Short-circuit current rating (group protection)
600 A, 600 V High Fault, max. Fuse, SCCR (UL/CSA); 42 kA, 600 V High Fault, 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
Basic device fixed 15.5 x Iu; ± 20% tolerance; 899 A, Irm
Switching capacity
58 A (3 contacts in series), DC-5 up to 250V; 58 A, AC-3 up to 690 V
Stripping length (main cable)
14 mm
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
Tightening torque
3.3 Nm, Screw terminals, Main cable
Overload release current setting - max
58 A
Overload release current setting - min
50 A
Tripping characteristic
Overload trigger: tripping class 10 A

Standards & Compliance

HS Code
8536.90

Cross References

  • EAN 4015082223946
  • SAP 1000046943
  • Code 8803207

Product Documentation

Document preview: MOTOR PROTECTION CIRCUIT BREAKER 50-58A (PKZM4-58) — Specification Data Sheet (OEM)

Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy PKZM4-58?
PKZM4-58 can be ordered from cballast.com as a Eaton catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Eaton product?
The manufacturer part number is PKZM4-58.
What is the HS code for PKZM4-58?
The customs tariff (HS) code for PKZM4-58 is 8536.90.
Who manufactures PKZM4-58?
PKZM4-58 is a Eaton product in the Electrical Components range.
Is a datasheet available for PKZM4-58?
Yes — the PKZM4-58 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for PKZM4-58?
The minimum order quantity is 1.
Is PKZM4-58 available?
Yes — PKZM4-58 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).