AC Surge Protective Devices · BR-T3
BR-T3 Type 3 DIN-Rail Surge Protective Devices
A downstream Type 3 surge-protection family for low-voltage equipment circuits. Four Uc options and their corresponding Up values are listed by the manufacturer.
Type 3SPD classification
30–275VAC Uc options
5kAIn, 8/20 µs
DIN railMounting
Product Overview
BR-T3 is intended for point-of-use or downstream surge protection in a coordinated SPD scheme. It is not a substitute for the upstream Type 1 or Type 2 function.
Key Features
- Type 3 / Class III classification
- Four AC Uc choices
- 5 kA nominal discharge current
- 35 mm DIN-rail mounting
- Remote-signal order codes listed
Available Models / Configurations
Supplier-listed family information; confirm the exact orderable RITOKS configuration.
| Manufacturer model | Uc AC | Up | Order code |
|---|---|---|---|
| BR-T3 30 | 30 V | ≤630 V | B18237 |
| BR-T3 75 | 75 V | ≤730 V | B18235 |
| BR-T3 150 | 150 V | ≤800 V | B18359 |
| BR-T3 275 | 275 V | ≤1500 V | B18231 |
Technical Specifications
| SPD type | Type 3 / Class III |
|---|---|
| Nominal AC voltage Un | 24 / 60 / 120 / 230 V by model |
| Maximum continuous AC voltage Uc | 30 / 75 / 150 / 275 V by model |
| Nominal discharge current In | 5 kA (8/20 µs) |
| Combined impulse Uoc | 10 kV |
| Nominal AC load current IL | 25 A |
| Mounting | 35 mm DIN rail |
| Protection degree | IP20 |
Applications
Illustrative panel environments; confirm equipment fit and circuit requirements for the selected model.
Equipment Power Entry
Downstream protection close to sensitive equipment.
Control Panels
Type 3 stage in a coordinated panel SPD system.
Low-Voltage Circuits
Choose Uc and Up for the documented circuit voltage.
Information to Confirm for Selection
- System voltage and chosen Uc model
- Up requirement and upstream SPD coordination
- Installation position
- Load current and circuit protection
- Remote-signal order code if required
FAQ
Can this Type 3 SPD replace a Type 1+2 device?
No. The BR-T3 is a downstream Type 3 stage; upstream SPD selection and coordination must be addressed separately.
Are all four Uc variants identical?
No. Their nominal voltages, Uc values, Up values and order codes differ.
Is remote signalling available?
The manufacturer lists separate remote-signal order codes; specify that version when needed.
Related Products
Request a Quote
Send the exact model, required ratings, quantity and destination. We will confirm availability and documentation before quotation.
Please include: System voltage and chosen Uc model; Up requirement and upstream SPD coordination; Installation position.