Eaton 4 → 6.3 A Motor Protection Circuit Breaker, 690 V ac

Subtotal (1 unit)*

£82.80

(exc. VAT)

£99.36

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 37 unit(s) ready to ship from another location
  • Plus 6 unit(s) shipping from 18 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£82.80

*price indicative

RS Stock No.:
492-1541
Mfr. Part No.:
278483 PKZM01-6,3
Brand:
Eaton
Find similar products by selecting one or more attributes.
Select all

Brand

Eaton

Current Rating

4 → 6.3 A

Motor Protection Component

Circuit Breaker

Supply Voltage

690 V ac

Overall Length

93mm

Overall Width

45mm

Overall Depth

93mm

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

+55°C

Voltage Rating

440 V

Breaking Capacity

50 kA

Terminal Type

Screw

Number of Poles

3

COO (Country of Origin):
DE

Eaton Moeller Series Motor Protection Circuit Breaker, 4 to 6.3A, 690VAC Supply Voltage - 278483 PKZM01-6,3


This Eaton motor protection circuit breaker offers reliable protection for motors in various industrial applications. With a current rating of 4-6.3 A, this circuit breaker ensures optimal motor safety. The circuit breaker from Eaton Moeller Series is designed to provide efficient motor overload protection, making it a crucial component in preventing damage to your valuable equipment.

Features & Benefits


• Motor-protective circuit-breaker suitable for motors up to 4 kW
• Offers comprehensive motor protection against overload and short circuits
• Screw terminals for easy and secure connections
• IP20 protection for safe operation in various environments
• Compatible with motors of efficiency class IE3
• Adjustable overload release settings for customised protection
• Compact design with dimensions of 93mm x 45mm x 90.5mm for easy installation
• UL and CSA certified for quality assurance

Applications


• Ideal for protecting motors in automation systems
• Used for motor protection in electrical control panels
• Suitable for motor overload protection in commercial and industrial machinery
• Perfect for use in HVAC systems for motor safety
• Designed for applications requiring reliable protection against overloads and short circuits

Can it be used with motors above 4 kW?


Yes, the Eaton motor protection circuit breaker can be used with motors up to 4 kW for efficient protection.

Will it provide protection against short circuits?


Yes, this circuit breaker offers protection against short circuits to ensure the safety of your equipment.

Is it suitable for use in industrial automation applications?


Yes, the Eaton Moeller circuit breaker is designed to meet the requirements of industrial automation settings.

Can it be installed in electrical control panels?


Yes, this motor protection device is suitable for installation in electrical control panels for safeguarding motors.

Will it ensure safe operations in various environments?


The Eaton motor protection circuit breaker with IP20 protection guarantees safe operations in diverse environmental conditions.

Note

Eaton formerly known as Moeller

Related links