TELEFRANK TZP80-2405/S – 80W AC-DC Industrial DIN Rail Power Supply | TZP Series
Engineering Background
The TZP Series represents TELEFRANK’s flagship line of compact, high-efficiency AC-DC power supplies engineered for demanding industrial environments. Designed to meet the rigorous requirements of IEC/EN 61010-1 and UL 508 panel-builder standards, the TZP80-2405/S delivers stable 24VDC regulated output across a wide input voltage range, making it the preferred choice for global OEM deployments and retrofit projects alike.
Product Positioning
The TZP80-2405/S is purpose-built for procurement engineers specifying power infrastructure in PLC control cabinets, DCS marshalling panels, SCADA enclosures, and factory automation systems. Its DIN rail form factor, wide-range AC input, and robust thermal design eliminate the need for external derating calculations in most standard industrial installations.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Model | TZP80-2405/S |
| Brand | TELEFRANK |
| Output Power (Rated) | 80 W |
| Output Voltage | 24 VDC (adjustable ±5%) |
| Output Current | 5 A (continuous) |
| Input Voltage Range | 85 – 264 VAC / 120 – 370 VDC |
| Input Frequency | 47 – 63 Hz |
| Efficiency (Typical) | ≥ 88% @ full load |
| Ripple & Noise | ≤ 150 mVp-p |
| Hold-up Time | ≥ 20 ms @ 115 VAC full load |
| Inrush Current | ≤ 30 A cold start @ 230 VAC |
| Overload Protection | 105% – 150% rated output power; auto-recovery |
| Overvoltage Protection | 115% – 135% rated output voltage; latch-off |
| Short Circuit Protection | Continuous; auto-recovery |
| Operating Temperature | -25°C to +70°C (derate above 50°C) |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 20% – 90% RH non-condensing |
| Cooling Method | Convection (fanless) |
| Mounting | DIN Rail EN 60715 (35 mm) |
| Dimensions (W×H×D) | 45 × 125 × 117 mm (approx.) |
| Weight | 1,150 g |
| Protection Class | IP20 |
| Safety Standards | CE, UL 508, IEC/EN 61010-1 |
| EMC | EN 55032 Class B, EN 61000-4 series |
| MTBF | > 500,000 hours @ 25°C (MIL-HDBK-217F) |
Proven Application Environments
- PLC Control Panels – Powers Siemens S7, Allen-Bradley ControlLogix, Mitsubishi MELSEC, and Omron NX/NJ series I/O racks and communication modules.
- DCS Marshalling Cabinets – Stable 24VDC bus for field transmitter loops, solenoid valve drivers, and signal conditioners in process plants.
- SCADA & HMI Enclosures – Fanless convection cooling eliminates particulate ingress risk in sealed enclosures.
- Machine Safety Systems – Meets hold-up time requirements for safety relay and light curtain power rails.
- Building Automation (BAS/BMS) – Wide input range supports global voltage standards without hardware changes.
- Renewable Energy & EV Charging Infrastructure – Robust EMC performance in high-noise switching environments.
Engineering Advantages
- Wide-Range Universal Input – 85–264 VAC single-phase input eliminates the need for separate SKUs for 110V and 230V markets.
- Fanless Convection Cooling – Zero moving parts; eliminates fan-failure maintenance calls and reduces acoustic noise in operator environments.
- Full Protection Suite – OVP, OCP, SCP, and OTP with auto-recovery or latch-off modes prevent cascade failures in multi-PSU panels.
- Output Voltage Trim – ±5% adjustment via front-panel potentiometer for fine-tuning bus voltage without external regulators.
- High MTBF – >500,000 hours calculated MTBF supports lifecycle cost justification for capital-intensive installations.
- Compact DIN Rail Footprint – 45 mm width minimizes panel real estate; compatible with standard 35 mm DIN rail per EN 60715.
System Architecture & Signal Flow
The TZP80-2405/S employs an active PFC front-end followed by an isolated LLC resonant DC-DC converter stage. Input AC is rectified and power-factor-corrected to a stable 400 VDC bus, then converted via high-frequency transformer isolation to the regulated 24 VDC output rail. Secondary-side synchronous rectification and LC output filtering achieve the specified ≤150 mVp-p ripple. Optocoupler-based feedback ensures galvanic isolation between primary and secondary control loops. The output terminal block provides +V, −V, and a functional earth (FE) connection point for shielded cable termination.
Recommended wiring practice: Use 1.5 mm² (AWG 14) stranded copper for output runs ≤3 m; derate to 2.5 mm² for longer runs. Maintain ≥50 mm clearance from high-voltage AC wiring in the same enclosure.
Sourcing & Quality Verification
- Authorized Distribution Channel – All units sourced through verified TELEFRANK authorized distributors with full traceability documentation.
- Authenticity Checks – Each unit ships with original TELEFRANK holographic label, CE declaration of conformity, and factory test report on request.
- Inspection Protocol – 100% output voltage, ripple, and protection function tested prior to dispatch from Konmask warehouse.
- Packaging – Original OEM anti-static packaging with foam insert; suitable for air and sea freight.
- Shelf Life – Electrolytic capacitor shelf life: 2 years from manufacture date when stored per IEC 60068-2-14 conditions.
Procurement Process
- Confirm Specification – Verify output voltage (24 VDC), current (5 A), and input range match your panel design. Download datasheet from product page or request via support@konmask.com.
- Request Quotation – For orders ≥5 units, contact us for volume pricing and lead-time confirmation.
- Place Order – Add to cart and complete checkout. Pro-forma invoice available for bank transfer payment.
- Shipping & Lead Time – In-stock units ship within 1–3 business days. DHL Express, FedEx, and sea freight options available.
- Documentation Package – CE declaration, packing list, and commercial invoice provided with every shipment. CNAS calibration certificate available on request.
Technical FAQ
Q: Can the TZP80-2405/S be connected in parallel for higher current output?
A: Parallel operation is not recommended without an active current-sharing module. Contact our engineering team for parallel-operation configurations exceeding 5 A.
Q: Is the output voltage adjustable?
A: Yes. The front-panel trim potentiometer allows ±5% adjustment (22.8–25.2 VDC) for bus voltage optimization.
Q: What is the derating curve above 50°C?
A: Output power should be derated linearly from 100% at 50°C to 60% at 70°C. Do not operate above 70°C ambient.
Q: Does this unit meet UL 508A panel-builder requirements?
A: Yes. The TZP80-2405/S carries UL 508 listing, making it suitable for use in UL 508A-listed industrial control panels in North America.
Q: What is the warranty period?
A: Konmask.com provides a 12-month warranty from date of shipment. Extended warranty options available for volume contracts.
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