Eaton 40 → 50 A Motor Protection Circuit Breaker, 690 V ac

Subtotal (1 unit)*

£285.11

(exc. VAT)

£342.13

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 4 unit(s) shipping from 04 November 2025
  • Plus 4 unit(s) shipping from 11 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£285.11

*price indicative

RS Stock No.:
619-4735
Mfr. Part No.:
222355 PKZM4-50
Brand:
Eaton
Find similar products by selecting one or more attributes.
Select all

Brand

Eaton

Current Rating

40 → 50 A

Motor Protection Component

Circuit Breaker

Supply Voltage

690 V ac

Overall Length

140mm

Overall Width

55mm

Overall Depth

160mm

Minimum Operating Temperature

-25°C

Voltage Rating

690 V

Maximum Operating Temperature

+55°C

Breaking Capacity

50 kA, 60 kA

Number of Poles

3

Terminal Type

Screw

COO (Country of Origin):
DE

Eaton Motor Protection Circuit Breaker, 3 Poles, Rail Mounting - PKZ Series - 222355 PKZM4-50


Put the brakes on faults in your motorised machinery with this motor protection circuit breaker from Eaton. It trips as soon as it detects overcurrent, swiftly cutting off dangerous loads before they can do any hardware damage. By breaking for phase failure, the unit stays reliably on top of common power problems. Secure screw terminals hold your wiring tight against movement and vibration. An adjustable current setting between 40 and 50A makes this a versatile option that can protect everything from HVAC systems to manufacturing equipment.

Features & Benefits


• Snaps onto a DIN rail, so installation is tool-free and speedy
• Labelled terminals clearly identify connections for easy wiring
• Rotary and screw dial interfaces ensure hassle-free resetting and current adjustment
• Insulating plastic housing cuts user exposure to hazardous loads

What voltages can I use this circuit breaker with?


As a three-pole model, this unit takes single-phase and three-phase voltages up to its 690V rating, ensuring wide power source compatibility.

Can I rotate this device in my cabinet?


Yes, it tilts up to 90° in any direction, so it's a flexible fit for awkward spaces.

Note

Eaton formerly known as Moeller

Related links