NewTrend MT53
Low-Voltage Electrical Product
18 mm ultra-slim plug-and-play ARA and RCA reclosing modules compliant with IEC 63024
Product Overview
The NewTrend MT53 series provides 18 mm ultra-slim external plug-and-play accessory modules categorized into ARA auto reclosing and RCA remote control types, designed according to IEC 63024. Operating with supply voltage options of 110-230 V AC, 24-48 VDC, or 230 V AC, these units upgrade circuit breakers without breaker replacement. Supported control options include RS485, I/O, and WiFi via the Tuya App, with optional fixed or programmable reclosing logic and full compatibility with OF and SD accessory modules.
Technical Parameters
| Module width | 18 mm ultra-slim |
| Module types | ARA (auto reclosing accessory), RCA (remote control accessory) |
| Supply voltage options | 110-230 V AC, 24-48 VDC, 230 V AC (per model) |
| Installation method | External plug-and-play accessory module |
| Reference standard | IEC 63024 |
| Remote control interfaces | RS485, I/O, WiFi (Tuya App available) |
| MT53AI control contact variants | IO control + NO auxiliary contact, IO control + NC auxiliary contact, IO control |
| MT53AS control contact variants | RS485 control + NO auxiliary contact, RS485 control + NC auxiliary contact, RS485 control |
| Auto reclosing logic | Optional fixed or programmable |
| Leakage detection | Optional, before reclosing (SDX models) |
| MT53AW and MT53RW application interface | Operated with Tuya App |
| Brand | NewTrend |
| Model | MT53 |
| Product type | Low-Voltage Electrical Product |
| Applicable standard | IEC 63024 |
Key Selling Points
✓ External plug-and-play mounting upgrades installed systems without replacing circuit breakers.
✓ Ultra-slim 18 mm module width fits compact distribution boards.
✓ Multiple remote control interfaces supported including RS485, I/O, and WiFi operated with the Tuya App.
✓ Auto reclosing logic offers optional fixed or programmable reclosing settings.
✓ SDX models provide optional leakage detection before reclosing execution.
✓ Maintains full compatibility alongside standard OF auxiliary and SD alarm accessory modules.
✓ Compatible with Schneider Acti9 iC65N, Chint NB1-63, NOARK Ex9BH, and Matis MM50 host breakers.
Technical Highlights
- Module Width: 18 mm ultra-slim
- Function Types: ARA (auto reclosing accessory) and RCA (remote control accessory)
- Supply Voltage: 110-230 V AC, 24-48 VDC, or 230 V AC per model
- Reference Standard: IEC 63024
- Communication Interfaces: RS485, I/O, and WiFi via Tuya App
- Reclosing Logic: Optional fixed or programmable reclosing sequence
- Leakage Detection: Optional before reclosing on SDX models
- Breaker Accessory Compatibility: Compatible with OF and SD accessory modules
Selection Guide
Select MT53AI for I/O control with NO, NC, or without auxiliary contacts; choose MT53AS for RS485 control with NO, NC, or without auxiliary contacts; select MT53AW or MT53RW for Tuya App WiFi operation; specify SDX models when pre-reclosing leakage detection is required; and verify host breaker compatibility across Schneider, Chint, Noark, or Matis configurations.
Reference Datasheet Pages
The following pages were selected from the model catalogue and are included for technical reference:
MT53 Catalog and Technical Data
