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Key Technical Specifications
| Parameter | Value |
| Manufacturer | Hirschmann |
| Model Number | ENT 10515-R 24VDC |
| Module Type | Regulated Industrial Power Supply Module |
| Input Voltage Range | 100–240 V AC (85–264 V AC operational tolerance) |
| Input Frequency Range | 47–63 Hz |
| Nominal Output Voltage | 24 V DC |
| Rated Output Current | 3.5 A – 4.37 A max |
| Nominal Power Rating | ~100 W – 105 W |
| Efficiency Rating | > 88% at full load |
| Enclosure Rating | IP20 (Cabinet/Panel Mount) |
| Mounting Format | Standard 35 mm DIN Rail |
| Operating Temperature | −20°C to +60°C |
| Protection Features | Overvoltage, Overcurrent, Short-Circuit Auto-Recovery |
Product Introduction & Supply Chain Strategy
The Hirschmann ENT 10515-R 24VDC is an industrial-grade regulated power supply module engineered for critical control panels, Ethernet switches, and field I/O systems. Operating across a wide AC input range, it delivers stable 24V DC output to maintain uninterrupted controller handshakes and sensor telemetry in demanding industrial environments.
Securing this unit as New Surplus establishes a zero-risk strategy for managing legacy automation hardware. Utilizing genuine original stock mitigates the high secondary costs associated with aged passive components in used hardware, ensuring full 24 V rail integrity while eliminating long factory lead times and high OEM replacement premiums.
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute full Lock-Out/Tag-Out (LOTO) procedures on the primary AC distribution panel feed.
- Verify zero-energy status on incoming 120/230V AC lines using a calibrated multimeter.
- Attach a grounded ESD wrist strap before handling terminal block covers.
- Photograph existing wiring terminal assignments and cable routing for direct verification.
Stage 2: Removal
- Unplug or disconnect the removable terminal blocks from the failed power module.
- Loosen top/bottom panel mounting screws or release the DIN rail retention clip using a flat-head screwdriver.
- Slide the unit straight off the rail, taking care not to place stress on adjacent networking or I/O modules.
Stage 3: Installation (Clone & Seat)
- Inspect the backplane housing and terminal interface of the replacement ENT 10515-R to confirm zero shipping damage.
- Angle the top groove onto the 35 mm DIN rail, then press firmly downward until the bottom spring clip latches securely.
- Reattach wire leads according to terminal designations, ensuring correct polarity (+24V DC, 0V DC, PE, L1, N).
- Torque terminal screws to the manufacturer rating (typically 0.5–0.6 Nm).
Stage 4: Power-On & Testing
- Measure resistance across the output terminals to verify there are no direct shorts in field wiring.
- Energize the main AC feed and verify that the front-panel DC OK indicator illuminates solid green.
- Check output voltage with a multimeter; confirm reading stays within 23.8 V DC – 24.2 V DC under nominal load.
ENT 10515-R 24VDC
ENT 10515-R 24VDC
Firmware/Software Versions & Upgrade Notes
- Hardware Revisioning: The ENT 10515-R 24VDC is a pure power supply module and operates independently of digital software or microcode updates.
- Compatibility Considerations: Verify that total downstream current demand on the 24V bus does not exceed the module’s rated max capacity (nominal 3.5A–4.37A).
- Replacement Strategy: When replacing older power modules in closed racks, ensure adequate vertical thermal clearance (minimum 30 mm top/bottom) to allow natural convection cooling and prevent thermal derating.
Frequently Asked Questions (FAQ)
Q: Why choose New Surplus over a lower-priced refurbished power module?
A: Power modules rely heavily on electrolytic capacitors, which degrade over time regardless of cosmetic appearance. A refurbished power supply often retains aged capacitors that lead to sudden ripple voltage faults and line drops. New Surplus guarantees factory-fresh internal components, full operating lifespan, and zero risk of unexpected process outages.
Q: Is the Hirschmann ENT 10515-R 24VDC an obsolete or end-of-life (EOL) part?
A: Yes, many legacy Hirschmann power modules face limited OEM availability or long factory factory lead times. Maintaining 1-2 New Surplus units in your on-site safety stock serves as an essential insurance policy against total line stoppage.
Q: Can this power supply module be hot-swapped while the panel is live?
A: No. Standard industrial electrical safety codes require de-energizing the AC feed before removing or installing power modules to prevent arcing, terminal damage, or dangerous voltage spikes across connected DC loads.
Q: How do you verify the unit is truly “New Original” stock?
A: Every unit undergoes strict inbound quality verification. We inspect for intact factory anti-static packaging, pristine terminal screws with zero tool wear, original serial number tags, and clean, un-potted internal boards.
Q: What warranty coverage applies to this module?
A: We back all New Surplus Hirschmann modules with a comprehensive 1-Year replacement warranty, matching standard OEM terms to provide complete operational confidence.
