SB-30BB Switch Mode Power Supply 13.8V, 30A

The Sharman SB-30BB is a compact, high-efficiency switch mode power supply delivering a fixed 13.8V DC at up to 30A — the standard operating voltage for amateur radio transceivers and CB radios. Its small footprint matches the profile of popular radio transceivers, keeping your operating desk tidy.

Designed with RF-heavy environments in mind, the SB-30BB offers exceptional immunity to Radio Frequency Interference at close range. Constant current protection and output Over Voltage Protection (OVP) safeguard both the supply and connected equipment. A rear DC output and a front-mounted cigar socket provide flexible connectivity options. Low ripple and noise (≤100mVp-p) ensures clean power delivery to sensitive radio equipment.

Key Features

• Fixed 13.8V DC output ±0.5V at 30A max
• High-efficiency switch mode design — compact and lightweight (1.52 kg)
• Exceptional RFI immunity for use alongside radio transceivers
• Constant current protection + Output Over Voltage Protection (OVP)
• Low ripple and noise: ≤100mVp-p
• Rear main DC output + front cigar socket for dual connectivity
• Output voltage regulation: <2%

Specifications

• Input: AC 220V / 50Hz
• Output: 13.8V DC ±0.5V, 30A max
• Ripple & Noise: ≤100mVp-p
• Fuse: 5A
• Dimensions: 181 × 63 × 190mm
• Weight: 1.52 kg