Contatto della Fenice DoubleLevel Pushin DINRail Morsettiera, Ordine n.: 3210567
Informazioni di base
Serie: PTTB 2.5 (CLIPLINE complete PT Pushin Series)
Tipo: Doublelevel feedthrough terminal block, 2 independent potentials, 4 punti di connessione (2 per level)
Connection Technology: Pushin toolfree connection. Solid conductors or stranded conductors with wire ferrules can be inserted directly. For bare stranded conductors, press the orange actuator lever before inserting wires.
Montaggio: DIN rail NS35/7.5, NS35/15
Larghezza: 5.2 mm, grey; Insulation material PA, UL94V0 flame retardant
Wire stripping length: 810 mm
Specifiche elettriche
| Parametro | Valore |
| Rated voltage Un | 500 V |
| Corrente nominale In | 22 UN (2.5 mm²) |
| Massimo. permissible current | 26 UN (4 mm² solid conductor) |
| Conductor cross‑section | 0.14‑4 mm² / AWG26‑12 |
| Tensione nominale di tenuta ad impulso | 6 kV, Over‑voltage Category III, Grado di inquinamento3 |
| Temperatura operativa | -60℃ ~ +110℃ |
Caratteristiche principali
- Doublelevel independent circuits. Two signal/power circuits within one 5.2 mmwide unit, risparmiare spazio nell'armadio. Frontside wiring for easy operation in confined cabinet spaces.
- Builtin test jacks: test ports in doublefunction shaft plus extra external test connection. Multimeter probes can be applied without disconnecting wiring.
- Certificazioni: UL, cULus, VDE, ATEX/IECEx for hazardous areas, DIN EN 455452 for railway, DNV marine certification. Suitable for railway equipment, macchinari, process automation and explosive hazardous areas.
- Part of CLIPLINE complete system, compatible with system jumpers, marker strips and end partitions.
Commercial Data
Ordine n.: 3210567
Standard packing: 50 pcs per pack
Unit weight: ca. 11 G
Domestic Equivalent Reference
Specifiche: 5.2 mm doublelevel pushin terminal block, 2 electricallyisolated potentials, 0.144 mm², 22 UN, DINrail mount
Innovazione: ITB2.52D
Weidmüller: A2T 2.5
DINKLE: DK2.52P
Nota: Durante la sostituzione, verify currentcarrying capacity, stripping length, jumper compatibility and certifications for explosionproof / railway projects.
PTTB 2,53210567
Ordine n.: 3210567|Product: Doublelevel electricallyisolated pushin DINrail terminal block|CLIPLINE complete PT Pushin series
- Specifiche meccaniche
| Articolo | Specifica |
| Levels / Connection points | 2 levels, 4 terminali, full electrical isolation between upper and lower levels |
| Rail compatibility | NS35‑7.5 / NS35‑15 standard DIN rail |
| Unit width | 5.2 mm |
| Insulation material | PA polyamide, UL94‑V0 flame rating |
| Stripping length | 8‑10 mm |
| Unit weight | ≈11 g |
| Connection method | Push‑in connection; direct insertion for solid conductors / stranded conductors with ferrules; press orange actuator lever for bare stranded conductors |
| Conductor range | 0.14‑4 mm², AWG26‑12 |
| Pack quantity | 50 pcs |
- Specifiche elettriche (IEC 6094771)
| Articolo | Valore |
| Rated voltage Un | 500 V CA |
| Corrente nominale In | 22 UN (2.5 mm²) |
| Massimo. permissible current | 26 UN (4 mm² solid conductor) |
| Tensione nominale di tenuta ad impulso | 6 kV, Over‑voltage Category III, Grado di inquinamento3 |
| Temperatura operativa | -60℃ ~ +110℃ (operational) |
| Touch‑safe protection | Finger‑ and back‑of‑hand safe protection per DIN EN 50274 |
- Builtin Functions & Compatibilità degli accessori
- Dual test points: test ports in doublefunction shaft plus separate external test jacks. Multimeter probes can measure signals without wire disassembly.
- Compatibilità del sistema: fully interoperable with CLIPLINE complete system accessories: jumpers, end partitions, ZB marker strips, separator partitions.
- Certificazioni: UL/cULus, VDE, IECEx, DIN EN455452 railway, DNV marine, RoHS.
- Applicazioni tipiche: cabinet I/O signal wiring, distribuzione del potere, railway equipment, process automation hazardousarea cabinets, marine equipment.
- Confronto: PTTB 2.5 (3210567) vs PT2.5TWIN
Frequently confused doublelevel pushin terminal blocks
| Elemento di confronto | PTTB 2.5 (3210567) | PT 2.5‑TWIN (3211062) |
| Potential relation | Fully‑isolated two independent circuits | Superiore & lower levels internally connected, single potential (1‑to‑2 branching) |
| Connection terminals | 4 independent terminals | 4 terminali, upper‑lower levels electrically connected |
| Application purpose | Two isolated signals / two independent power circuits | One input branched to two outputs |
| Larghezza | 5.2 mm | 5.2 mm |
| Valutazione | 22 A /500 V | 22 A /500 V |
⚠️Selection Pitfall: Using TWIN (commonpotential) to substitute PTTB (isolated doublelevel) will result in shortcircuit upon poweron. Always verify potential relationship in projects.
- Selection Notes for Domestic Replacements
Reference models: Inovance ITB2.52D; Weidmüller A2T2.5; DINKLE DK2.52P
Mandatory confirmation: doublelevel electrical isolation, NOT TWIN commonpotential type
Verificare: conductor range 0.144 mm², 22 A rating, 5.2 mm width, test jacks, leveractuated operating structure
For railway / explosionproof projects: domestic substitutes must satisfy corresponding certification requirements; mechanical dimension match alone is not sufficient.
- Installazione & Linee guida per la manutenzione
- Do NOT forceinsert bare stranded conductors without ferrules. Always depress the orange lever before inserting bare flexible wires, otherwise internal spring damage and excessive contact resistance with overheating risk may occur.
- Jumpers shall only be applied within the same level. Crosslevel jumpering is prohibited; use dedicated jump wires for crosslevel connections.
- Use standard 2.3 mm multimeter probes. Oversized probes may damage test jacks.
Application Scenarios of PTTB 2,53210567 (Doublelevel Isolated Pushin Terminal Block)
Core characteristics: 5.2 mm width, electricallyisolated two independent circuits, 4 punti di connessione, Pushin toolfree wiring, builtin test jacks; 22 UN / 500 V; certified for railway, ATEX/IECEx hazardousarea, marine DNV applications.
⚠️Reminder: It is NOT a TWIN commonpotential terminal. Upper and lower levels are electrically separated for two independent circuits, NOT for 1to2 branching.
- Industrial Automation Control Cabinet (Most Common Use)
- PLC I/O Signal Circuits
One single terminal block handles two DI/DO signals to save DINrail space. Upper level connects to PLC side; lower level connects to field sensors / attuatori. Builtin test jacks allow multimeter measurement without disconnection during commissioning. Ideal for highdensity wiring in robot, confezione, injectionmolding and machinetool cabinets.
- Two independent control power distribution
Within one unit: one channel for 24 V control power, the other for isolated signal power, preventing interference between different power circuits. Used for smallsize solenoid valves and indicator light loops.
- Isolated inputoutput transfer
Two fullyisolated circuits for internal cabinet signal transfer, where signal grounds must be separated.
- RollingStock & Railway Vehicles (Certificationcritical Application)
Qualified with DIN EN455452 railway fireprotection and EN50155 vibrationshock standards. Ampia temperatura operativa 60 ~ +110 ℃, elevata resistenza alle vibrazioni.
- Onboard cabinet: door control, airconditioning, illuminazione, passengerinformation systems. Compact cabinet requires highdensity wiring.
- Locomotive / EMU control panels: transfer of two isolated signals and power circuits. Springclamp connection avoids screwloosening under vibration.
Prefer original Phoenix unit for railway projects. Domestic alternatives must pass firesafety and vibration certifications; mechanical dimension matching is insufficient.
- Industria di processo / HazardousArea Cabinets (ATEX/IECEx)
- Chemical and pharmaceutical explosionproof cabinets: isolated transfer for intrinsicallysafe and nonintrinsicallysafe signals. Doublelevel isolation prevents crosscircuit interference, complying with hazardousarea wiring requirements.
- Transmitter signal wiring: one channel for 420 mA analog signal, the other for isolated alarm loop. Saves cabinet installation space.
- Marino & Offshore Equipment (DNV Marine Approval)
Control cabinets on vessels and deck enclosures. Vibrationresistant, widetemperature, humiditytolerant. Used for two independent signal / power circuit transfer.
- Altre applicazioni industriali
- Automazione degli edifici / HVAC Control Cabinets: DDC controller wiring for two independent sensor signals (temperatura, umidità). Optimized for compact smallsize cabinets.
- NewEnergy Equipment (Energystorage, smallscale PV cabinets): Lowvoltage controlloop wiring for isolated 24 V signal channels.
- Testbenches & attrezzature di laboratorio: Two independent test circuits with convenient probeaccess test jacks to improve commissioning efficiency.
✅ Typical Correct Wiring Examples
- Upper level: Circuit A (24V+ /24V); Lower level: Circuit B (separate isolated 24V+ /24V), circuits fully independent.
- Upper level: DI input signal; Lower level: DO output signal, isolated signal transfer.
❌ Forbidden Practices
- Do NOT use as PT2.5TWIN (commonpotential 1to2 splitter). PTTB upperlower levels are insulated with no internal continuity. For oneinputtwooutput branching, select Order No. 3211062.
- Crosslevel jumpers are prohibited. Jumpers can only connect terminals on the same level.
Guida alla selezione
Choose PTTB2.53210567: Two circuits require full electrical isolation.
Choose PT 2.5TWIN3211062: One signal to be branched into two outputs, upperlower levels internally connected.
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