Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 3500/15 127610-01 |
| Manufacturer | Bently Nevada |
| Product category | Redundant power supply module |
| Electrical performance | Input: 100-240V AC (50/60Hz); Output: 24V DC, 8A max; Efficiency: >88% |
| Physical size | Width: 48.8mm, Height: 241.3mm, Depth: 242mm |
| Interface type | Backplane power distribution; 2 AC input terminals; 1 auxiliary DC output (24V, 1A) |
| Redundancy features | Built-in redundancy controller; Automatic failover <5ms; Hot-swappable |
| Protection mechanisms | Overvoltage, overcurrent, short-circuit, overtemperature, and reverse polarity protection |
| Environmental requirements | Operating temperature: -40°C to +70°C; Humidity: 5% – 95% (non-condensing) |
| Installation method | Rack-mountable in 3500 series racks; Occupies 2 standard slots |
| Compatibility | Powers 3500/62, 3500/33-01-00, 3500/42M 140734-02, and all 3500 series modules |
BENTLY 3500/15 127610-01
Product introduction
The Bently Nevada 3500/15 127610-01 is a high-performance redundant power supply module, engineered as the primary power source for critical 3500 series machinery protection systems. It delivers stable, regulated 24V DC power to interconnected modules, ensuring uninterrupted operation of monitoring and control components in safety-critical industrial environments.
Building on the legacy of Bently Nevada’s power solutions, the 3500/15 127610-01 features built-in redundancy capabilities, allowing two units to operate in parallel with automatic failover. This design eliminates single points of failure, making it indispensable for powering modules like the 3500/62 digital I/O module, which controls emergency shutdown sequences in hazardous applications.
As a cornerstone of the 3500 ecosystem, the 3500/15 127610-01 integrates seamlessly with vibration monitors (3500/33-01-00), signal conditioners (3500/42M 140734-02), and operator interfaces (3500/50 288062-02). Its robust construction and advanced protection mechanisms ensure reliable power delivery even in harsh conditions, from offshore platforms to industrial manufacturing facilities.
Core advantages and technical highlights
Enhanced redundancy with rapid failover: The 3500/15 127610-01 incorporates a dedicated redundancy controller that enables parallel operation of two modules. In the event of a primary unit failure, the backup assumes full load within 5ms—far faster than the response time of critical modules like the 3500/62. This instantaneous transition prevents voltage dips that could disrupt alarm signals or shutdown sequences, ensuring continuous protection of rotating machinery.
High-power output with efficiency: Delivering 8A of 24V DC power (192W total), the 3500/15 127610-01 can support larger 3500 series configurations, including multiple 3500/42M 140734-02 signal conditioners and 3500/62 I/O modules. Its >88% efficiency reduces energy waste and heat generation, extending component lifespan and simplifying thermal management in enclosed control cabinets.
Comprehensive protection suite: Beyond standard overvoltage and overcurrent safeguards, the 3500/15 127610-01 adds reverse polarity protection (preventing damage from incorrect wiring) and enhanced overtemperature shutdown (activating at 85°C to avoid thermal degradation). These features protect sensitive downstream equipment like the 3500/33-01-00, which relies on stable power for accurate vibration measurements.
Hot-swappable design with status monitoring: The module can be removed and replaced while the system remains operational, eliminating maintenance-related downtime. LED indicators on the front panel provide real-time status (normal, fault, redundant mode), while backplane communication relays health data to the 3500/50 288062-02 interface—allowing operators to address issues before they affect power delivery.
Typical application scenarios
In an offshore oil platform’s gas compression system, two 3500/15 127610-01 modules operate in redundant mode to power the 3500 series rack. During a storm, one unit experiences a voltage surge and enters fault mode; the backup instantly takes over, maintaining power to the 3500/62 module. This seamless transition ensures the 3500/62 continues monitoring pressure switches and controlling emergency shutdown valves, preventing a potential explosion when rough seas cause temporary compressor instability.
At a nuclear power plant’s turbine hall, the 3500/15 127610-01 powers a 3500 system monitoring the main steam turbine. Its 8A output supports the 3500/33-01-00 (vibration), 3500/25 125792-01 (Keyphasor), and 3500/62 (safety interlocks). During a scheduled inspection, technicians hot-swap one 3500/15 127610-01 module without shutting down the turbine, ensuring continuous power to the 3500/62—critical for maintaining overspeed protection during the procedure.
In a chemical plant’s reactor control system, the 3500/15 127610-01 supplies power to multiple 3500/62 modules that manage reactor safety interlocks. When a voltage spike occurs due to a nearby lightning strike, the module’s overvoltage protection activates, clamping the output to 26V and preventing damage to the 3500/62’s relay circuits. This safeguard ensures the interlocks remain functional, avoiding an unscheduled reactor shutdown.
BENTLY 3500/15 127610-01
Related model recommendations
3500/62: Digital I/O module whose reliable operation depends on stable power from the 3500/15 127610-01.
3500/33-01-00: Vibration monitoring module that requires the 3500/15 127610-01’s regulated power for measurement accuracy.
3500/42M 140734-02: High-channel signal conditioner powered by the 3500/15 127610-01 for consistent data processing.
3500/50 288062-02: Operator interface that displays the 3500/15 127610-01’s status and redundancy mode.
126643-01: Power distribution backplane that distributes the 3500/15 127610-01’s output to all rack modules.
3500/05: Rack interface module that communicates the 3500/15 127610-01’s health data to the system.
3500/92: Gateway module that transmits the 3500/15 127610-01’s status to plant SCADA systems.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing the 3500/15 127610-01, disconnect AC power to the rack. The module occupies 2 consecutive slots; secure it with screws torqued to 0.6 Nm. For redundant setups, install two modules and connect each to separate AC sources (preferred) or a common source with separate breakers. Use 12-gauge stranded wire for AC inputs, ensuring proper grounding per NFPA 70 (NEC) or IEC 60364 standards. Verify input voltage matches the 100-240V AC rating.
Maintenance suggestions: Inspect the 3500/15 127610-01 monthly for loose connections, dust accumulation, or damaged cooling vents. Clean vents with compressed air if obstructed. Test redundancy failover quarterly by disconnecting the primary module’s AC input and confirming the backup assumes load (verify via 3500/50 288062-02 or LED indicators). Replace modules every 5-7 years during scheduled shutdowns to avoid end-of-life failures. When hot-swapping, wear an anti-static wrist strap and ensure the replacement unit matches the firmware version of the existing module.
Service and guarantee commitment
The 3500/15 127610-01 is backed by a 36-month warranty—the longest in its class—covering manufacturing defects, including voltage regulation issues, redundancy controller failures, or protection circuit malfunctions. During this period, Bently Nevada provides free replacement of defective units and technical support for redundant configuration with modules like the 3500/62.
Our global service team offers 24/7 remote diagnostics to verify power output, redundancy functionality, and thermal performance. Extended warranty options (up to 6 years) include annual preventive maintenance, firmware updates, and priority on-site support. Built on Bently Nevada’s legacy of reliability, the 3500/15 127610-01 is guaranteed to deliver uninterrupted power, ensuring 3500 series systems protect critical machinery with zero downtime.
