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1SBN050020R1002 ABB RT5/90 Surge Suppressor Module for Contactors
ABB 1SBN050020R1002 RT5/90 surge suppressor with transil diode technology designed for 50–90 V DC contactor coil protection in industrial control applications.
£31.69
Why Choose the ABB 1SBN050020R1002 RT5/90 Surge Suppressor?
The ABB 1SBN050020R1002 is a reliable surge suppressor accessory designed to protect ABB contactor coils from voltage spikes and switching transients. As part of the ABB RT5/90 surge suppressor series, this compact protection device helps reduce overvoltage peaks and improve the operational reliability of industrial switching systems.
This surge suppressor is designed for use with DC operated conventional contactors, limiting transient overvoltages generated when inductive loads are switched. By reducing electrical stress on contactor coils and associated control equipment, it supports improved system durability and reliable industrial operation.
With a 50–90 V DC control voltage range, the ABB 1SBN050020R1002 RT5/90 provides effective coil suppression using transil diode technology. Its compact design enables straightforward installation on compatible ABB contactors and contactor relays in industrial automation applications.
Key Advantages
- Compact surge suppressor for ABB contactor coils.
- 50–90 V DC control voltage compatibility for industrial switching applications.
- Transil diode suppression technology reduces damaging voltage peaks.
- Improves contactor reliability by limiting coil switching transients.
- High energy absorption capability for effective damping.
- Compact accessory design for efficient control panel installation.
Key Features
- ABB RT5/90 surge suppressor series.
- Transil diode suppression technology.
- 50–90 V DC rated control voltage range.
- Designed for conventional DC operated contactors.
- Reduces maximum overvoltage peak values.
- Limits high frequency pre-damping voltage effects.
- Compact contactor accessory format.
- Suitable for industrial automation and motor control systems.
Reliable Coil Protection for Industrial Switching Systems
Contactor coils create electrical transients when de-energised due to stored inductive energy. Surge suppressors help control these voltage spikes, reducing interference and protecting sensitive electrical components within industrial control systems.
The ABB RT5 series provides engineers with compact and effective solutions for improving contactor performance. The 1SBN050020R1002 RT5/90 is designed for applications where dependable DC coil protection and reduced electrical disturbance are required.
Typical Applications
- Industrial motor control panels.
- Automation and machine control systems.
- DC contactor coil protection circuits.
- Manufacturing equipment.
- Industrial switching installations.
- Electrical control and automation systems.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Coil Type | DC | |
| Manufacturer | ABB | |
| Model | 1SBN050020R1002 | |
| Alternative designation | RT5/90 | |
| Product type | Surge suppressor unit | |
| Series | ABB RT5 | |
| Suppressor type | Transil diode | |
| Rated control voltage | 50–90 V DC | |
| Application | DC contactor coil protection | |
| Maximum voltage rating | 90 V | |
| Mounting type | Contactor mounted accessory | |
| Operating temperature | -20 to +70 °C | |
| Dimensions | approx. 30.25 × 10.5 × 32.4 mm |
Frequently Asked Questions
What is the ABB 1SBN050020R1002 used for?
The ABB 1SBN050020R1002 is a surge suppressor used to protect DC contactor coils from switching voltage spikes and electrical transients.
What voltage range does the ABB RT5/90 support?
The ABB RT5/90 surge suppressor is designed for 50–90 V DC control voltage applications.
What type of suppression technology is used?
The ABB 1SBN050020R1002 uses transil diode technology to reduce overvoltage peaks and limit transient disturbances.
Where is this surge suppressor installed?
The device is typically installed on compatible ABB contactors or contactor relays within industrial control panels.
What temperature range can the ABB RT5/90 operate in?
The ABB RT5/90 surge suppressor operates within an ambient temperature range of approximately -20 to +70 °C.
Trusted by Industrial Automation Professionals Worldwide
ABB surge suppressors are widely used by electrical engineers and automation specialists to protect contactor systems, reduce switching disturbances and improve industrial control reliability.
