Siemens 3RB Overload Relay 2NO + 2NC, 0.3 → 630 A F.L.C, 6 A Contact Rating, 240 V, DP, SIRIUS
- RS Stock No.:
- 203-2147
- Mfr. Part No.:
- 3RB2283-4AA1
- Brand:
- Siemens
Subtotal (1 unit)*
£231.62
(exc. VAT)
£277.94
(inc. VAT)
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- 2 unit(s) shipping from 06 November 2025
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Units | Per unit |
|---|---|
| 1 + | £231.62 |
*price indicative
- RS Stock No.:
- 203-2147
- Mfr. Part No.:
- 3RB2283-4AA1
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| FLC Motor Rating | 0.3 → 630 A | |
| Contact Current Rating | 6 A | |
| Range | SIRIUS | |
| Pole Configuration | DP | |
| Series | 3RB | |
| Normal State Configuration | 2NO + 2NC | |
| Reset Method | Manua/Automatic | |
| Terminal Type | Screw | |
| Number Of Auxiliary Contacts | 4 | |
| Width | 45mm | |
| Length | 111mm | |
| Depth | 95mm | |
| Maximum Operating Temperature | +60°C | |
| Minimum Operating Temperature | -25°C | |
| Operating Temperature Range | -25 → +60 °C | |
| Supply Voltage | 240 V | |
| Control Voltage | 240 V | |
Select all | ||
|---|---|---|
Brand Siemens | ||
FLC Motor Rating 0.3 → 630 A | ||
Contact Current Rating 6 A | ||
Range SIRIUS | ||
Pole Configuration DP | ||
Series 3RB | ||
Normal State Configuration 2NO + 2NC | ||
Reset Method Manua/Automatic | ||
Terminal Type Screw | ||
Number Of Auxiliary Contacts 4 | ||
Width 45mm | ||
Length 111mm | ||
Depth 95mm | ||
Maximum Operating Temperature +60°C | ||
Minimum Operating Temperature -25°C | ||
Operating Temperature Range -25 → +60 °C | ||
Supply Voltage 240 V | ||
Control Voltage 240 V | ||
- COO (Country of Origin):
- DE
Siemens 3RB Series Overload Relay, 0.3 to 630 A FLC Motor Rating, 6A Contact Current Rating - 3RB2283-4AA1
This overload relay is designed for motor overload protection and offers comprehensive monitoring of your motor systems. With dimensions of 111mm in length, 45mm in width, and 95mm in depth, this device supports a wide operating temperature range of -25°C to +60°C.
Features & Benefits
• Adjustable current response from 0.3A to 630A enhances protection
• DP pole configuration optimises circuit integration for efficiency
• Manual and automatic reset options provide operational flexibility
• Rated for a control supply voltage of 240V, ensuring compatibility
• Auxiliary circuits feature screw terminal connections for easy installation
• High surge voltage resistance protects systems from voltage spikes
• DP pole configuration optimises circuit integration for efficiency
• Manual and automatic reset options provide operational flexibility
• Rated for a control supply voltage of 240V, ensuring compatibility
• Auxiliary circuits feature screw terminal connections for easy installation
• High surge voltage resistance protects systems from voltage spikes
Applications
• Employed in industrial motor for enhanced safety
• Utilised in automation systems to prevent motor overheating
• Suitable for machinery requiring reliable overload protection
• Ideal for environments with varying operational temperatures
• Utilised in automation systems to prevent motor overheating
• Suitable for machinery requiring reliable overload protection
• Ideal for environments with varying operational temperatures
What current ratings does the relay support for effective operation?
This relay supports a current rating adjustable from 0.3 A up to 630 A, making it suitable for a variety of motor sizes and applications.
How does the relay ensure user safety during operation?
The relay features a robust design with a finger-safe IP20 rating on the front, which helps minimise the risk of accidental contact with live parts.
What type of connections are available for the auxiliary circuit?
The auxiliary circuit is equipped with screw-type terminals, allowing for secure and reliable connections to conductors sized from 0.5mm² to 2.5mm².
Can the relay be installed in various positions?
Yes, the relay's mounting position is versatile, allowing for stand-alone installation in any orientation, which facilitates flexible integration into existing setups.