# Eaton PKZM4-50 Motor Protective Circuit Breaker, 50A, 690V

**URL:** https://aio.lv/en/product--eaton-222355--1839771
**Data updated:** 2026-05-18 02:51 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 222355
**EAN:** 4015082223557
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 413.49 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 341.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-222355--1839771

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Courier delivery to door | 04.08.2026 | 53.99 EUR |

## Summary description

The Eaton PKZM4-50 is a high-performance motor protective circuit breaker designed for reliable electrical protection. It features a rated current of 50 A and an operating voltage of 690 V, with an input frequency of 40/60 Hz. With a breaking capacity of 50,000 A and an IP20 protection rating, this device ensures safe operation and effective short-circuit and overload protection for industrial motor applications.

## Long description

The Eaton PKZM4-50 is a high-performance motor protective circuit breaker engineered to provide robust electrical protection for industrial motor systems. This device is specifically designed to safeguard motors against overloads and short circuits, ensuring operational continuity and equipment longevity. With a rated current of 50 A and an operating voltage of 690 V, it serves as a reliable component in demanding electrical environments, maintaining high safety standards through its precise tripping mechanisms.
Advantages
This circuit breaker offers exceptional reliability and durability in industrial settings. Its high breaking capacity of 50,000 A allows it to handle significant fault currents effectively, preventing damage to connected machinery. The device is built for ease of integration into existing control panels, providing a compact yet powerful solution for motor management. Its robust construction ensures consistent performance under varying load conditions, making it a dependable choice for critical infrastructure.
Suitable for
Industrial motor control centers
Protection of three-phase motors
Heavy-duty machinery and conveyor systems
Electrical distribution panels in manufacturing facilities
This device may not be suitable for residential applications or low-voltage household appliances where such high current ratings and industrial-grade protection are unnecessary. It is also not intended for use in environments with high moisture or dust levels without an appropriate protective enclosure, as the device itself carries an IP20 rating.
Key specifications
Rated current: 50 A
Operating voltage: 690 V
Input frequency: 40/60 Hz
Breaking capacity: 50,000 A
Protection rating: IP20
Colour: Grey
The Eaton PKZM4-50 should be installed by a qualified electrician in accordance with local electrical codes. It is typically mounted on a standard DIN rail within a control cabinet. Ensure that all terminal connections are tightened to the specified torque settings to prevent overheating and ensure optimal electrical contact. Once installed, the device can be manually operated via the front-facing switch to control the motor circuit.
What to consider before purchase
Verify that the 50 A rating matches your motor's full-load current requirements.
Ensure the installation environment meets the IP20 protection standard.
Check compatibility with your existing DIN rail mounting system.
Confirm that the supply voltage does not exceed the 690 V limit.
For optimal performance and safety, regularly inspect the circuit breaker for signs of wear or thermal damage and ensure that the surrounding cabinet ventilation is adequate to prevent heat buildup.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 80 |
| Breaking capacity | 50000 A |
| Pollution degree | 3 |
| Circuit breaker type | Motor protective circuit breaker |
| Tripping method | Thermomagnetic |
| Total power loss | 24.6 W |

### Design

| Feature | Value |
|---|---|
| Certification | IEC/EN 60947-4-1; UL 60947-4-1; CSA - C22.2 No. 60947-4-1-14 |
| Product colour | Grey |
| International Protection (IP) code | IP20 |

### Features

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -25 - 55 |
| Number of poles | 3 |

### Power

| Feature | Value |
|---|---|
| Rated current | 50 A |
| Input frequency | 40 / 60 |
| Rated voltage | 690 V |

### Technical details

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | CE |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 140 mm |
| Width | 55 mm |
| Depth | 160 mm |

## FAQ

### How much does the Eaton PKZM4-50 Motor Protective Circuit Breaker cost, and is it available for purchase?

The price is 413.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Eaton PKZM4-50 Motor Protective Circuit Breaker be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EATON products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EATON service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/1839771/58101192_large.webp