Model Interpretation

3500/15‑AXX‑BXX‑CXX

3500/15: Base model (power supply module)

AXX: Upper slot input type

01: 85–132 VAC

02: 175–264 VAC

03: 88–140 VDC

04: 20–30 VDC

05: 85–264 VAC (universal AC, new)

BXX: Lower slot input type (00 = no supply, single‑supply mode)

CXX: Approvals

00: None

01: CSA/NRTL/C

02: ATEX/IECEx/CSA (Class 1, Zone 2)

Technical Parameters

Input

AC Options: 85–132 VAC, 175–264 VAC, or 85–264 VAC (universal)

DC Options: 20–30 VDC or 88–140 VDC

Frequency: 47–63 Hz (AC)

Output

Voltage: 24 VDC ±0.5%

Power: Up to 140 W

Current: Up to 5 A continuous

Mechanical

Form Factor: Half‑height, occupies 2 slots (leftmost)

Dimensions (H×W×D): 120.7 mm × 50.8 mm × 251.5 mm

Weight: ~1.39 kg

Environmental

Operating Temp: 0°C to +65°C

Storage Temp: −40°C to +85°C

Humidity: Up to 95% non‑condensing

Vibration: 5 Grms (2–2000 Hz)

Shock: 20 Grms (11 ms)

Protection & Status

Protection: Overvoltage, undervoltage, overcurrent, short‑circuit

Indicator: Front‑panel Supply OK LED

Redundancy: Dual‑supply (primary/backup) supported

Hot‑Swap: Yes (with redundant supply)

Core Functions

Provide stable 24 VDC power to the entire 3500 rack.

Enable redundant operation to eliminate single points of failure.

Support hot‑swap replacement without system shutdown.

Deliver tight voltage regulation and low noise for monitoring modules.

Withstand harsh industrial conditions (shock, vibration, humidity).

Applications

Power Generation: Gas/steam turbines, generators, compressors.

Oil & Gas: Pumps, fans, centrifuges, offshore rotating equipment.

Petrochemical: Refineries, chemical plants, critical process machinery.

Heavy Industry: Motors, gearboxes, conveyors.

Usage & Maintenance

Installation: Insert into leftmost two slots of 3500/05 rack; connect input power.

Redundancy: Install two 3500/15 modules (upper = backup, lower = primary).

Maintenance: Clean annually; inspect connectors; no fans to service.

Status: Active; supported by Baker Hughes with full spares availability.