Phoenix UK Series Terminal Blocks Product Selection Guide
Phoenix UK series terminal blocks are classic industrial wiring components, widely used in control cabinets, automation equipment, and power distribution systems. They cover wire specifications from 1.5mm² to 35mm², with diverse configurations such as single-circuit, twin-circuit, grounding, and test-point types, featuring reliable clamping force, clear color coding, and easy installation. This guide sorts out product codes, models, and application scenarios to help you select suitable terminal blocks for different circuit wiring requirements.
1. Core Model List (With Product Descriptions)
| Product Code | Product Model | Product Description |
|---|---|---|
| 35mm² Large-current Terminal Blocks | ||
| 3008012 | UK 35 | Basic 35mm² terminal block, suitable for high-power main circuit wiring (e.g., transformer output, motor main power supply) |
| 3008025 | UK 35 BU | 35mm² terminal block with blue (BU) color coding, used for identifying control/signal circuits in high-power systems |
| 3074130 | UK 35 N | 35mm² neutral (N) terminal block, dedicated to neutral wire connection in AC power distribution circuits |
| 3058350 | UK 35 N BU | 35mm² neutral terminal block with blue color, for neutral circuit identification in complex power systems |
| 3008054 | UK 35-PE/N | 35mm² combined terminal block for protective grounding (PE) and neutral (N) wires, integrates two functions in one unit to save cabinet space |
| 16mm² Medium-current Terminal Blocks | ||
| 3006014 | UK 16 | Basic 16mm² terminal block, suitable for medium-power circuit wiring (e.g., motor auxiliary circuits, distribution branch lines) |
| 3006043 | UK 16 N | 16mm² neutral terminal block, for neutral wire connection in medium-power AC systems |
| 3006056 | UK 16 N BU | 16mm² neutral terminal block with blue color, enhances neutral circuit identification |
| 3006085 | UK 16-1-PE/N | 16mm² PE/N combined terminal block, designed for small high-power equipment’s grounding and neutral wiring |
| 4mm² Terminal Blocks (With Test/Derived Functions) | ||
| 3003017 | UK 4 | Basic 4mm² terminal block, general-purpose for control circuit wiring (e.g., solenoid valve, contactor coil power supply) |
| 3003091 | UK 4 BU | 4mm² terminal block with blue color, for signal circuit identification in control systems |
| 3012011 | UK 4-LOE/LOE | 4mm² terminal block with double LOE derived terminals, supports one-input two-output branch wiring for control signals |
| 3022014 | UK 4-T | 4mm² terminal block with test-point (T) function, allows on-site circuit testing without disconnecting wires, convenient for maintenance |
| 2812018 | UK 4-TG | 4mm² terminal block with test-point and grounding (TG) functions, integrates testing and safety protection |
| 2812034 | UK 4-TG-P/P | 4mm² TG terminal block with double derived (P/P) ports, suitable for test signal extraction and branch wiring |
| 3mm² Terminal Blocks (Twin-circuit & Special Types) | ||
| 3002018 | UK 3 | Basic 3mm² terminal block, for low-power control/signal circuit wiring (e.g., sensor signal transmission) |
| 3001501 | UK 3 N | 3mm² neutral terminal block, used for neutral wire connection in small AC equipment circuits |
| 0719168 | UK 3 N BK | 3mm² neutral terminal block with black (BK) color, for dark environment wiring or equipment with aesthetic matching requirements |
| 3001514 | UK 3 N BU | 3mm² neutral terminal block with blue color, for signal-neutral circuit identification |
| 0719142 | UK 3 N GN | 3mm² neutral terminal block with green (GN) color, dedicated to grounding-related neutral circuit identification |
| 0719139 | UK 3 N RD | 3mm² neutral terminal block with red (RD) color, for high-priority neutral circuit marking |
| 3002225 | UK 3-TWIN | 3mm² twin-circuit terminal block, integrates two 3mm² circuits in one unit, saves 50% installation space for dual-circuit parallel wiring |
| 3002416 | UK 3-TWIN BU | 3mm² twin-circuit terminal block with blue color, for dual-signal circuit identification |
| 1923128 | UK 3-TWIN-PE | 3mm² twin-circuit terminal block with PE grounding function, enhances electrical safety of dual-signal circuits |
| 3002513 | UK 3-RETURN | 3mm² return circuit terminal block, designed for signal return line connection in feedback control systems |
| 3002555 | UK 3-RETURN-PE | 3mm² return circuit terminal block with PE grounding, ensures safety of feedback signal circuits |
| 3002034 | UK3-MSTB-5.08 | 3mm² terminal block compatible with MSTB 5.08mm pitch terminal strips, for modular wiring in automation equipment |
| 2.5mm²/1.5mm² Low-current Terminal Blocks | ||
| 3001035 | UK 2.5 B | 2.5mm² basic (B) terminal block, compact design for narrow-space low-power circuit wiring (e.g., instrument internal signals) |
| 3001048 | UK 2.5 B BU | 2.5mm² basic terminal block with blue color, for signal circuit identification in precision instruments |
| 3003347 | UK 2,5 N | 2.5mm² neutral terminal block, for neutral wire connection in small AC control circuits |
| 3003350 | UK 2,5 N BU | 2.5mm² neutral terminal block with blue color, enhances neutral circuit identification |
| 0719100 | UK 2,5 N BK | 2.5mm² neutral terminal block with black color, for dark environment wiring |
| 3026780 | UK 2,5 N OG | 2.5mm² neutral terminal block with orange (OG) color, for alarm signal neutral circuit marking |
| 0719074 | UK 2,5 N RD | 2.5mm² neutral terminal block with red color, for high-priority neutral circuit identification |
| 3005837 | UK 1,5 N | 1.5mm² neutral terminal block, dedicated to neutral wire connection in micro-signal AC circuits |
| 3005840 | UK 1.5 N BU | 1.5mm² neutral terminal block with blue color, for micro-signal neutral circuit identification |
2. Quick Interpretation of Model Naming Rules
| Naming Segment | Meaning | Explanation |
|---|---|---|
| UK X | Series & Wire Spec | - UK = Phoenix classic terminal block series- X = compatible wire cross-section (mm²), e.g., 35 = 35mm², 2.5 = 2.5mm² |
| -T/-TG | Test & Grounding Functions | - -T: With test-point function, supports on-site maintenance testing- -TG: Integrates test-point and grounding functions, for safety testing scenarios |
| -TWIN | Circuit Configuration | Twin-circuit structure, integrates two independent circuits in one terminal block, saves cabinet installation space |
| -PE/-PE/N | Safety Functions | - -PE: Protective grounding terminal block, for equipment grounding connection- -PE/N: Combined PE and neutral terminal block, integrates two functions |
| -N | Circuit Type | Neutral terminal block, dedicated to AC system neutral wire connection |
| BU/BK/RD/GN/OG | Color Suffix | Color coding for circuit identification:- BU=blue (signal/control circuit)- BK=black (dark environment/aesthetic matching)- RD=red (high-priority/power circuit)- GN=green (ground-related circuit)- OG=orange (alarm signal circuit) |
3. Core Advantages of UK Series Terminal Blocks
- Wide Wire Spec CoverageCovers 1.5mm²–35mm² wire cross-sections, matching low-power signal circuits, medium-power control circuits, and high-power main circuits, with strong versatility.
- Diversified Functional ConfigurationIntegrates test points, grounding, twin-circuit, derived terminals and other functions, meeting diverse wiring needs such as maintenance testing, space saving, and branch shunting.
- Clear Color Coding IdentificationMultiple color options realize visual distinction of different circuit types, reducing wiring errors in complex control cabinets and improving maintenance efficiency.
- Reliable Clamping PerformanceAdopts spring or screw clamping structure, ensuring stable contact force, resistant to vibration and loosening, and suitable for harsh industrial environments.
4. Product Selection Suggestions
- Select by Wire Cross-section
- For high-power main circuits (35mm²): Choose UK 35 series models (e.g., 3008012, 3008054).
- For medium-power control circuits (16mm²): Select UK 16 series models (e.g., 3006014, 3006085).
- For low-power signal circuits (1.5mm²–4mm²): Adopt UK 1.5/2.5/3/4 series models (e.g., 3005837, 3003017).
- Select by Functional Requirements
- For maintenance testing needs: Choose models with -T/-TG suffix (e.g., 2812018, 3022014).
- For space-saving dual-circuit wiring: Select -TWIN series models (e.g., 3002225, 1923128).
- For AC system neutral/grounding wiring: Use models with -N/-PE/-PE/N suffix (e.g., 3001501, 3008054).
- Select by Circuit Identification Needs
- For signal/control circuits: Choose blue (BU) models (e.g., 3003091, 3001514).
- For high-priority circuits: Select red (RD) models (e.g., 0719139, 0719074).
- For ground-related circuits: Use green (GN) models (e.g., 0719142).
Phoenix UK Series Terminal Blocks Product Selection Guide
Created on：2026-01-16 09:23
