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- Bently Nevada
- 3500/15 129486-01
- Power Supply Module
- USA
- 133.4 × 88.9 × 44.5 mm
- 0.7kg
- Xiamen, China
- New & In Stock
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Product Overview
The Bently Nevada 3500/15 129486‑01 is a high-voltage DC power supply module in the 3500/15 family. It is designed to supply a regulated high DC voltage (commonly used for excitation of sensors, amplifiers, etc.) within the 3500 Machinery Protection and Monitoring system. It converts input AC voltage to a stable 48 V DC output, capable of supporting modules and sensors that require high-voltage DC excitation rails.
This module is often referred to as a “High‑Voltage DC Power Supply Module” and is part of the power infrastructure inside a 3500 rack. Its role is critical to ensure proper biasing and excitation for sensors (e.g. charge amplifiers, piezoelectric accelerometers, ion‑current sensors) in advanced condition monitoring systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/15 129486‑01 |
| Type | High‑Voltage DC Power Supply Module |
| Input Voltage (AC) | Nominal 220 VAC; 175 – 264 VAC RMS |
| Input Frequency | 47 – 63 Hz |
| Output Voltage | 48 VDC (nominal) |
| Output Current | 15 A |
| Output Ripple | ~1% peak‑to‑peak |
| Efficiency | ~85% typical |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 0 – 95% (non‑condensing) |
| Dimensions (HxWxD) | 133.4 × 88.9 × 44.5 mm (5.25 × 3.5 × 1.75 in) |
| Weight | ~0.7 kg (1.5 lbs) |
Features & Strengths
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Converts a wide AC input range into a stable 48 V DC output for sensor excitation needs.
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High output current capacity (15 A) supports multiple downstream modules or sensors.
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Low ripple (1 % p‑p) helps maintain signal integrity for sensitive measurement circuits.
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Designed for industrial ambient conditions — broad temperature range, humidity tolerance.
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Compact form factor — intended for installation in the 3500/15 power slot(s).
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Protection mechanisms: likely overcurrent, thermal, transient protection (as typical in such modules).
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Fits within the established rack architecture, supporting redundancy and modular replacement.
Applications
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Exciting charge amplifiers for piezoelectric accelerometers in vibration systems.
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Providing bias voltage for ion‑current or spark plug ion sensors in combustion monitoring.
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Supplying high DC rails for intrinsically safe barrier networks in hazardous areas.
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Enabling dual-polarity DC rails for advanced sensors or excitation schemes.
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Use in test benches or laboratory setups where high-voltage regulated DC is needed within a 3500 rack.
Brand & Series
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Brand: Bently Nevada
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Series: 3500 Series — specifically module class 3500/15 (power supply modules)
Related / Similar Models in the 3500 Series
Below are some modules within the same 3500/15 (or related) power supply family for comparison:
| Model | Description | Input Voltage | Output / Role | Dimensions / Weight (if known) |
|---|---|---|---|---|
| 3500/15 129486‑01 | High-Voltage DC Power Supply | 175–264 VAC | 48 VDC, 15 A | 133.4 × 88.9 × 44.5 mm, ~0.7 kg |
| 3500/15 115M7750‑01 | High-Voltage DC Input Module | 88–140 VDC (input module) | 24 VDC (internal rack) | Typical 120.7 × 25.4 × 114.3 mm, ~0.34 kg |
| 3500/15 114M5330‑01 | Low-Voltage DC Power Supply Module | 20–30 VDC | 24 VDC | Half rack form, heavier modules |
| 3500/15 127610‑01 | AC Power Supply Module | 85–264 VAC | 24 VDC | Full power module form |
| 3500/15 125840‑02 | Low-Voltage AC Input Module | ~110–220 VAC | 24 VDC | Alternate AC input module variant |
Popular Models from the Same Brand (Bently Nevada / Condition Monitoring)
| Model | Function / Description | Key Parameters / Range | Approx Dimensions / Weight |
|---|---|---|---|
| 3300/16 330850‑50‑CN | Vibration monitoring system | 1 Hz – 20 kHz | ~175 × 90 × 320 mm, ~3.2 kg |
| 3300/12 102566‑02 | Proximity / gap transducer interface | Up to 30,000 RPM | ~160 × 75 × 260 mm, ~2.9 kg |
| 3300/20 88984‑01 | Speed monitoring / tachometer module | 0 – 10,000 RPM | ~140 × 60 × 200 mm, ~2.5 kg |
| 3300/25 84933‑02 | Temperature monitoring module | –50 °C to +150 °C | ~120 × 50 × 180 mm, ~2.1 kg |
| 3300/30 135813‑01 | Displacement / position monitoring module | 0 – 2 mm range | ~130 × 60 × 190 mm, ~2.3 kg |
Frequently Asked Questions (FAQ)
Q1: What is the input AC voltage range for the 3500/15 129486‑01?
A1: The module accepts AC input voltages from about 175 to 264 VAC RMS (nominal 220 VAC).
Q2: What output does the module provide?
A2: It delivers a regulated DC voltage of 48 V with output current capability up to 15 A.
Q3: What is the ripple specification?
A3: The output ripple is approximately 1 % peak-to-peak under typical load conditions.
Q4: What environmental temperatures can it operate under?
A4: The operating temperature range is –40 °C to +70 °C; storage up to +85 °C.
Q5: What protection features exist?
A5: The module typically includes overcurrent protection, thermal shutdown, and transient / surge protection on input.
Q6: What are its physical dimensions?
A6: Approximately 133.4 mm × 88.9 mm × 44.5 mm.
Q7: What is its weight?
A7: Around 0.7 kg.
Q8: What kinds of sensors require this high-voltage module?
A8: Charge amplifiers, piezoelectric accelerometers needing bias, ion‑current sensors, and barrier networks typically.
Q9: Can it be used redundantly in a rack?
A9: Yes — in a rack with dual power slots, it can serve as one of the power supplies with redundancy.
Q10: What is the relative humidity tolerance?
A10: It is rated for operation in environments up to 95% relative humidity, non-condensing.
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