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RS PRO 3-Pole Motor Protection Circuit Breaker 2.5-4A 690V IP40, IP20 MS32 Series 121-6851
Specifications
| Country of Origin | Slovenia |
|---|---|
| Brand | RS PRO |
| Model | 121-6851 |
| IP Rating | IP40, IP20 |
| Overall Length | 45mm |
| Current Rating | 2.5, 4A |
| Series | RS PRO |
| Overall Width | 89.5mm |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Sensing type | Current |
| Supply Voltage | 690V |
| Number of Poles | 3 |
| Standards/Approvals | RoHS, IEC/EN 60947-2, CSA, UL 508 |
| Overall Depth | 78.5mm |
| Motor Protection Component | Circuit Breaker |
| Motor Protection System | Motor Protection Circuit Breaker |
Key Features
- This 3-pole circuit breaker safeguards motors against vibration, excess torque, and other electrical faults.
- Designed for current ratings from 2.5 A to 4 A with a supply voltage of 690 V.
- Features thermal and magnetic trip mechanisms for automatic switch-off under fault conditions.
- Compact dimensions of 45 mm (length), 89.5 mm (width), and 78.5 mm (depth) enable easy vertical or horizontal mounting on 35 mm rails.
- Rated breaking capacity of 100 kA at 230 V ensures high fault current interruption capability.
- IP40 and IP20 ratings provide protection against ingress of dust and solid objects.
- Operates reliably within a temperature range from -25 °C to +60 °C.
- Compliant with RoHS, IEC/EN 60947-2, CSA, and UL 508 standards.
Product Description
RS PRO 121-6851 Motor Protection Circuit Breaker is a robust electrical protection device designed to safeguard motors operating in demanding industrial environments. Suitable for current ranges of 2.5 to 4 A and a supply voltage of 690 V, this breaker provides a critical safety function by interrupting the circuit in the event of abnormal operating conditions such as excessive current, vibration, or torque.
Featuring a reliable thermal and magnetic release mechanism, the breaker automatically trips to prevent motor damage and maintain operational safety. Its compact form factor with dimensions of 45 mm length, 89.5 mm width, and 78.5 mm depth allows for versatile mounting either vertically or horizontally on a standard 35 mm rail, simplifying installation and maintenance.
This three-pole breaker delivers a breaking capacity of 100 kA at 230 V, ensuring it can handle significant fault currents typical to industrial circuits. The device carries IP40 and IP20 ingress protection ratings, safeguarding internal components from dust and physical contact, which enhances durability and operational reliability.
Engineered to function within temperature extremes from -25 °C to 60 °C, it supports diverse industrial climates. Certified for compliance with important standards including RoHS, IEC/EN 60947-2, CSA, and UL 508, this product meets rigorous safety and environmental regulations.
The product is part of the MS32 series, known for professional-grade motor protection solutions that combine ease of installation with consistent performance. This makes the RS PRO 121-6851 ideal for factories, workshops, and commercial settings requiring dependable motor protection.
This Motor Protection Circuit Breaker prevents damage due to electrical faults and mechanical stress. High breaking capacity supports safe interruption of fault currents. Compact size allows flexible installation on standard rails.
Wide operating temperature range adapts to various industrial environments. Compliance with major global safety and environmental standards assures product quality and reliability.
Explore the broader range of RS PRO motor protection devices and circuit breakers on EnvMart to find solutions tailored for your industrial automation and electrical safety requirements.
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Frequently Asked Questions
This model has a current rating range of 2.5 A to 4 A.
The supply voltage for this circuit breaker is 690 V.
The overall dimensions are 45 mm in length, 89.5 mm in width, and 78.5 mm in depth.
It has a rated breaking capacity of 100 kA at 230 V.
This unit operates reliably within a temperature range from -25 °C to +60 °C.
It safeguards motors against vibration, excess torque, and other electrical faults.
The product has IP40 and IP20 ratings for ingress protection.
It complies with RoHS, IEC/EN 60947-2, CSA, and UL 508 standards.
It can be mounted either vertically or horizontally on a standard 35 mm rail.
It features thermal and magnetic trip mechanisms for automatic switch-off under fault conditions.
The country of origin for this circuit breaker is Slovenia.
This model is part of the MS32 series of motor protection solutions.
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