PHOENIX-UKH50 High Current Terminal Block

Le PHOENIX-UK50H is a 150A high current terminal block from Phoenix Contact (CLIPLINE UKH Series). It is mainly used for reliable connection of 50mm² wires in power distribution, industrial automation and energy systems. Numéro de commande: 3009118, conforme à la CEI 60947-7-1 standard.

1. Model Segment Definition

Derivative Model Description:

UKH 50-IB: Hex socket screw version, couple de serrage 6-8 Nm

UKH 50-FE: With Allen screw, suitable for NS 35/7.5 rail

UKH 50-PE/N: Combined PE/N grounding terminal, including green-yellow protective conductor terminal and blue neutral terminal

UKH 50 1500V: Version améliorée, rated voltage 1500V for higher voltage scenarios

2. Core Specification Parameters

3. Accessory List

4. Competitor Equivalent / Cross-brand Comparison

5. Lignes directrices de sélection & Solutions alternatives
6. Paramètres de sélection clés

Capacité de charge actuelle: Ensure load current ≤150A (for 50mm² wire); derate when connecting multiple conductors.

Niveau de tension: Standard 1000V for most industrial applications; 1500V version optional for high voltage scenarios.

Conductor Type: Solid 16-70mm²; flexible 25-70mm²; sleeved flexible 16-50mm².

Environnement d'installation: Use EX-certified models for explosive areas; comply with DIN EN 45545-2 for railway applications.

2. Alternatives recommandées

3. Installation & Remarques sur l'opération

Untwist stranded wires before connection to ensure reliable contact.

Strictly control tightening torque at 6-8 Nm to avoid thread or wire damage.

Keep stripping length exactly 24 mm; excessive length may cause short circuit risk.

For multi-wire connection, two conductors must have the same cross-section (10-16 mm²).

Use only EX-certified accessories in explosive areas and follow installation instructions.

As the core product of Phoenix Contact CLIPLINE UKH series, PHOENIX-UKH50 features 150A high current capacity, 1000V rated voltage and wide temperature range (-60°C~110°C), making it a reliable choice for industrial power connections. Its modular structure and complete accessory system suit various applications from general industrial control to hazardous explosive environments. Selection shall be determined comprehensively by current, tension, wire type and installation conditions to ensure safe and stable system operation.

Full Application Scenarios of Phoenix PHOENIX-UKH50 High Current Terminal Block

Applicable for: 50câble mm², rated 150A, 1000V, Montage sur rail DIN. Mainly used for main circuit incoming, power distribution and cable transition in high-current industrial systems, suitable for heavy-duty, long-term power-on and harsh working conditions.

1. Haut & Low Voltage Power Distribution
2. Main incoming/outgoing terminals of GGD/MNS/GCS low-voltage draw-out cabinets and power distribution cabinets
3. High-current branch transition in workshop distribution cabinets and floor electrical shaft rooms
4. Transition connection of 50mm² power cables in busbar cabinets and junction cabinets
5. Automatisation industrielle & Control Cabinets
6. Main power circuit wiring for PLC control cabinets and inverter control cabinets
7. Power distribution for main power cabinets of large production lines
8. High-power power transition for robot workstations and central control stations
9. High-power Motor & Drive Equipment

Suitable for about 110kW three-phase asynchronous motor circuits:

1. Cable transition on input / output side of inverters and soft starters
2. Power cabinets for heavy-duty motors such as air compressors, machines de moulage par injection, extruders and crushers
3. Main circuit wiring for fans, induced draft fans and large centrifugal fans
4. New Energy PV & Stockage d'énergie
5. High-current AC wiring for photovoltaic inverter cabinets and junction boxes
6. Internal power distribution of battery cluster cabinets and PCS energy storage converter cabinets
7. Power circuit transition for wind turbine base cabinets and nacelle cabinets
8. Chemical, Pétrochimique & Explosion-proof Conditions

Built-in explosion-proof certification suitable for hazardous areas:

1. Explosion-proof electric control cabinets and pump house power cabinets in chemical plants and refineries
2. High-current wiring for outdoor electrical boxes in oil & gas fields and field stations
3. Heavy-duty power distribution circuits in pharmaceutical factories and dust workshops
4. Municipal Water Conservancy, CVC & Water Treatment
5. Power cabinets for blowers, submersible pumps and mechanical screens in sewage treatment plants and waterworks
6. Main fan & pump circuits of electromechanical control cabinets in urban tunnels and underground utility tunnels
7. Power distribution cabinets for central air conditioning hosts, chiller units and heat exchange stations
8. Transport ferroviaire & Building Complexes
9. Strong & weak current distribution cabinets in metro, high-speed railway stations and transport hubs
10. Power distribution rooms of large commercial complexes such as shopping malls, office buildings and hospitals
11. High-current power distribution for basement machine rooms and fire main cabinets
12. Charging Pile & Industrial Charging
13. Main power distribution for commercial & industrial DC charging pile cluster cabinets
14. Cable transition for power cabinets of logistics parks and heavy-duty truck charging stations
15. Marin, Port & Heavy Machinery
16. Power distribution panels and cabin power junction boxes on ships
17. High-current wiring for port gantry cranes and shore power control cabinets
18. Internal power transition of electric control cabinets for large construction machinery and mining equipment

Application Summary

UKH50 can be used if meeting the following three conditions:

Cable cross-section 16～70mm²

Circuit current ≤150A

Industrial main power circuit requiring DIN rail mounting, reliable screw connection and long-term heavy-duty operation.

Full Classification of Google High-Frequency Search Words for Phoenix Terminal Blocks (Latest 2026)

Based on Google search trends and industrial electrical procurement habits, below are high-frequency search keywords for Phoenix Contact terminal blocks, classified into General Search, Popular Series, High-current Special, Paramètres techniques, Scénarios d'application, Procurement & Equivalent Replacement, covering global mainstream search combinations.

1. General Core Keywords (Basic Traffic)

2. High-Frequency Keywords by Popular Series
3. UK Series (Classic Screw Terminal Blocks)

Phoenix UK 3N terminal block (3001501) 2.5mm² standard

Phoenix UK 4 terminal block (3003017) 4mm² general type

Phoenix UK 10 terminal block (3001407) 10mm² heavy duty

Phoenix UK 16N terminal block (3006043) 16mm² high current

Phoenix UK 2.5 terminal block 2.5mm² basic type

Phoenix UK PE terminal block Grounding terminal

Phoenix UK fuse terminal block Fuse terminal block

2. ST/UT Series (Spring Cage Terminal Blocks)

Phoenix ST 2.5 terminal block

Phoenix UT 2.5 terminal block

Phoenix ST 4 terminal block

Phoenix ST 10 terminal block

Phoenix ST Push-in terminal blocks

3. UKH Series (High Current Terminal Blocks)

Phoenix UKH 50 terminal block (3009118) 50mm²/150A core model

Phoenix UKH 95 terminal block (3010013) 95mm²/240A

Phoenix UKH 150 terminal block (3010110) 150mm²/309A

Phoenix UKH 240 terminal block (3010217) 240mm²/415A

Phoenix UKH 50-FE terminal block (3247019)

Phoenix UKH 50-IB terminal block

4. Other Hot Series

Phoenix PT terminal blocks

Phoenix XT terminal blocks

Phoenix COMBICON terminal blocks

Phoenix PCB terminal blocks

Phoenix high current terminal blocks

3. UKH 50 Exclusive High-Frequency Keywords (Precise Traffic)

4. Technical Parameter & Application Keywords
5. Technical Parameter Terms

Phoenix terminal blocks current rating

Phoenix terminal blocks voltage rating

Phoenix terminal blocks wire size

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Phoenix terminal blocks temperature range

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2. Application Scenario Terms

Phoenix terminal blocks for power distribution

Phoenix terminal blocks for industrial automation

Phoenix terminal blocks for solar PV

Phoenix terminal blocks for motor control

Phoenix terminal blocks for explosion proof areas

Phoenix terminal blocks for marine applications

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5. Procurement & Replacement Keywords
6. Achat & Inventory

Phoenix terminal blocks stock availability

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2. Équivalent & Competitor

Phoenix UKH 50 equivalent

Phoenix terminal blocks vs Weidmuller

Phoenix terminal blocks vs ABB

Phoenix terminal blocks vs Siemens

Phoenix terminal blocks vs Schneider

6. Long-tail Precision Keywords (High Conversion Potential)
7. Modèle + Paramètre: Phoenix UKH 50 1000V 150A 50mm² DIN rail
8. Modèle + Accessoire: Phoenix UKH 50 FBI 2-20 bridge
9. Modèle + Application: Phoenix UKH 50 for inverter connection
10. Modèle + Installation: Phoenix UKH 50 N.-É. 35/7.5 rail installation
11. Modèle + Attestation: Phoenix UKH 50 ATEX IECEx certified