Bench Power Supply · Triple Output
GPS‑3303DC
Triple‑output linear DC power supply: two variable rails (0–30 V / 0–3 A) plus fixed 5 V / 3 A logic rail. Independent, tracking, series and parallel modes with coarse/fine control and clear CV/CC indication.
0–30 V / 0–3 A ×2
5 V / 3 A logic rail
Independent / Tracking / Series / Parallel
CV/CC indication
Coarse/Fine controls
Low ripple & noise
Short/overload protection
Universal AC input
Key features
Triple outputs
Two variable channels (0–30 V / 0–3 A) plus fixed 5 V / 3 A logic rail.
Tracking & linking
Independent, tracking, series and parallel operation.
CV/CC with fine control
Coarse/fine knobs for voltage and current; clear mode indication.
Low ripple & noise
Linear design ensures stable, low‑noise outputs.
Protection
Overload and short‑circuit protection.
Universal input
100/120/220/230 V ±10%, 50/60 Hz AC input.
Where the GPS‑3303DC excels
Education labs
Simple, robust controls for practical sessions.
Embedded bring‑up
Dual variable rails plus 5 V logic for digital boards.
Service & repair
Reliable supply for diagnosis and functional checks.
General test
Flexible linking modes for a wide range of DC tests.
Ranges & key specifications
| Parameter | Specification |
|---|---|
| Outputs | CH1: 0–30 V / 0–3 A · CH2: 0–30 V / 0–3 A · CH3: 5 V / 3 A (fixed) |
| Modes | Independent · Tracking · Series · Parallel |
| Resolution | 10 mV / 10 mA |
| Regulation | CV ≤0.01% + 3 mV · CC ≤0.2% + 3 mA |
| Ripple & noise | CV ≤1 mVrms (5 Hz–1 MHz) · CC ≤3 mArms |
| Display | LED meters (V / I) |
| AC input | 100/120/220/230 V ±10%, 50/60 Hz |
Summary only — see datasheet for full specifications and conditions.
Accessories
Standard accessories
- Power cord
- User manual
- USB cable
- Output test leads
Safety & Compliance
IEC
Designed, manufactured and tested according to IEC 61010-1
EMC
EMC compliance to IEC 61326-1
RoHS
RoHS compliant
IR
Case to Terminal ≥ 20 MΩ (DC 500 V)
IR
Case to AC line ≥ 30 MΩ (DC 500 V)
UL
TÜV SÜD NRTL — UL 61010-1 / CAN/CSA C22.2 No. 61010-1
Downloads
Datasheet (PDF)
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