The Thrane & Thrane SAILOR CH3507 (Part Number: 403507B) is the essential desktop charging solution for professionals operating SAILOR SP3500 or SP3900 series handheld radios. Built to withstand the rigors of the maritime industry and offshore oil/gas platforms, this charger ensures your ATEX-rated batteries are always powered and safe.
Smart Dual Pocket Configuration
Unlike standard single chargers, the SAILOR CH3507 features a dual-pocket docking station.
- Front Pocket (Active Charge): Drops in your radio (with battery attached) or just the spare battery for a full recharge.
- Rear Pocket (Passive Storage): A dedicated slot to stow a secondary battery.
Flexible Power Input
This model ships complete with the AC/DC Adaptor (88-125538) , allowing immediate plug-and-play operation with standard 100-230VAC wall outlets. For mobile installations, the charger also accepts a 12-24VDC input (cable sold separately), allowing you to charge directly from a ship’s DC supply .
Built for Safety (ATEX Compliance)
Safety is paramount in explosive environments. The CH3507 is specifically designed for ATEX zones, ensuring it meets strict international standards for intrinsic safety. Important: Only charge SAILOR ATEX batteries (B3503, B3504) or use with SAILOR ATEX approved accessories to maintain safety integrity.
Technical Specifications
- Manufacturer: Thrane & Thrane / Cobham SATCOM
- Part Number: 403507B
- Model: CH3507
- Input Voltage (AC): 100 – 230V AC via included adaptor
- Input Voltage (DC): 12 – 24V DC (Direct wired)
- Charging Positions: 1 (Front)
- Storage Positions: 1 (Rear)
- Typical Charge Time: 4 Hours (Radio Off)
- Certification: ATEX (Hazardous Locations)





















