Bently Nevada 129486-01

Ordering Information

3500/15-AXX-BXX-CXX

A: Power Supply Type (Top Slot)

01  Low Voltage ac (85 to 132 Vac rms)

02  High Voltage ac (175 to 264 Vac rms)

03  High Voltage dc (88 to 140 Vdc)

04  Low Voltage dc (20 to 30 Vdc)

B: Power Supply Type (Bottom Slot)

00  No supply (use when only one supply is required)

01  Low Voltage ac (85 to 132 Vac rms)

02  High Voltage ac (175 to 264 Vac rms)

03  High Voltage dc (88 to 140 Vdc)

04  Low Voltage dc (20 to 30 Vdc)

C: Agency Approval Option

00  None

01  CSA/NRTL/C

02  ATEX/CSA (Class 1, Zone 2)

Note: Agency Approval Option C 02 is only available if Power Supply Type (Top Slot) Option is A 01 or A 02 and if Power Supply Type (Bottom Slot) Option is B 00, B 01, or B 02.

Technical Parameters

Input Voltage: 24 V DC (18–32 V DC) via backplane for Bently Nevada 129486-01

Output Voltage: ±300 V DC nominal (adjustable ±10 % via front-panel potentiometer)

Maximum Load Current: 20 mA per polarity rail (40 mA total) in Bently Nevada 129486-01

Regulation: ±5 % over full load and input variation

Ripple & Noise: ≤ 300 mV p-p (0–20 kHz)

Isolation:

Input-to-output: 2 kV DC

Output rails to chassis: 1 kV DC

Protections:

Overcurrent shutdown with automatic reset in Bently Nevada 129486-01

Over-temperature thermal cutoff

Reverse-polarity and transient-surge protection on input

Efficiency: ≥ 75 % at 50 % load

Indicators: Front-panel LEDs for “+HV OK”, “–HV OK”, and “Fault”

Environmental Ratings:

Operating Temp: –20 °C to +65 °C

Storage Temp: –40 °C to +85 °C

Humidity: up to 95 % RH, non-condensing

Product function

Converts low-voltage DC into regulated high-voltage DC rails via Bently Nevada 129486-01 for specialized sensors and barriers. Monitors both rails and reports faults to ensure uninterrupted excitation.

Application Areas

Charge-Amplifier Excitation: Powering piezo-based accelerometers using Bently Nevada 129486-01 requiring HV bias.

Intrinsic-Safety Barriers: Supplying barrier networks for hazardous-area interfaces.

Ion-Current Monitoring: Driving spark-plug detection modules with Bently Nevada 129486-01 in combustion systems.

Laboratory & Test Racks: Providing adjustable HV rails for bench testing.