Phoenix MVSTBW/MVSTBU/MVSTBR Series PCB Terminal Blocks Selection Guide
Phoenix MVST series products are compact 2.5mm² PCB terminal blocks with a unified pitch of 5.08mm, divided into three sub-series by shell color and function: MVSTBW (white shell), MVSTBU (blue shell), MVSTBR (red shell). They support screw (ST) and spring (STF) wiring, and include heavy-current (HC) enhanced models, suitable for high-density low-medium power signal and control circuit connection in industrial automation equipment, instrumentation, and PCB control panels.
1. Core Model List (With Product Descriptions)
| Product Code | Product Model | Product Description |
|---|---|---|
| MVSTBW Series (White Shell, General-purpose Circuits) | ||
| Screw Terminal (ST) Models | ||
| 1792977 | MVSTBW 2,5/24-ST-5,08 | 2.5mm² 24-pole screw terminal, 5.08mm pitch, ultra-high-density wiring for multi-channel control circuits |
| 1792854 | MVSTBW 2.5/12-ST-5.08 | 2.5mm² 12-pole screw terminal, general-purpose for medium-density signal transmission |
| 1792838 | MVSTBW 2,5/10-ST-5,08 | 2.5mm² 10-pole screw terminal, stable clamping for 10-channel control circuits |
| 1792825 | MVSTBW 2.5/9-ST-5.08 | 2.5mm² 9-pole screw terminal, for small-medium channel PCB wiring |
| 1792799 | MVSTBW 2.5/6-ST-5.08 | 2.5mm² 6-pole screw terminal, basic model for standard 6-channel connection |
| 1792760 | MVSTBW 2,5/ 3-ST-5,08 | 2.5mm² 3-pole screw terminal, for small-channel signal circuit connection |
| Spring Terminal (STF) Models | ||
| 1835009 | MVSTBW 2.5/12-STF-5.08 | 2.5mm² 12-pole spring terminal, tool-free quick wiring for high-efficiency assembly |
| 1834987 | MVSTBW 2.5/10-STF-5.08 | 2.5mm² 10-pole spring terminal, quick deployment for medium-density circuits |
| 1835012 | MVSTBW 2,5/13-STF-5,08 | 2.5mm² 13-pole spring terminal, high-density for 13-channel signal transmission |
| 1809788 | MVSTBW 2,5/ 2-STF-5,08 EX | 2.5mm² 2-pole spring terminal, EX enhanced insulation, for high-safety scenarios |
| Heavy-current (HC) Models | ||
| 1912922 | MVSTBW 2,5 HC/10-ST-5,08 | 2.5mm² HC heavy-current 10-pole screw terminal, enhanced current-carrying capacity for high-power small-channel circuits |
| 1912919 | MVSTBW 2,5 HC/ 9-ST-5,08 | 2.5mm² HC heavy-current 9-pole screw terminal, for medium-high power 9-channel control circuits |
| MVSTBU Series (Blue Shell, Signal Circuit Identification) | ||
| 1788693 | MVSTBU 2,5/18-GB-5,08 | 2.5mm² 18-pole blue shell terminal, GB grid connection, for high-density signal circuit identification |
| 1788680 | MVSTBU 2,5/17-GB-5,08 | 2.5mm² 17-pole blue shell terminal, grid connection for stable signal transmission |
| 1788606 | MVSTBU 2,5/ 9-GB-5,08 | 2.5mm² 9-pole blue shell terminal, for 9-channel signal circuit identification |
| 1788538 | MVSTBU 2,5/ 2-GB-5,08 | 2.5mm² 2-pole blue shell terminal, basic model for dual-channel signal circuit labeling |
| MVSTBR Series (Red Shell, Power Circuit Identification) | ||
| Screw Terminal (ST) Models | ||
| 1792427 | MVSTBR2.5/20-ST-5.08 | 2.5mm² 20-pole red shell screw terminal, for high-density power circuit connection |
| 1792401 | MVSTBR 2.5/18-ST-5.08 | 2.5mm² 18-pole red shell screw terminal, for medium-large channel power circuit wiring |
| 1792362 | MVSTBR2.5/14-ST-5.08 | 2.5mm² 14-pole red shell screw terminal, for 14-channel power control circuits |
| 1792249 | MVSTBR 2.5/2-ST-5.08 | 2.5mm² 2-pole red shell screw terminal, for dual-channel power circuit connection |
| Spring Terminal (STF) Models | ||
| 1835232 | MVSTBR 2.5/16-STF-5.08 | 2.5mm² 16-pole red shell spring terminal, tool-free quick wiring for power circuit assembly |
| 1835193 | MVSTBR 2,5/12-STF-5,08 | 2.5mm² 12-pole red shell spring terminal, high-efficiency for 12-channel power circuits |
| 1809694 | MVSTBR 2,5/ 4-STF-5,08 EX | 2.5mm² 4-pole red shell spring terminal, EX enhanced insulation, for high-safety power circuits |
| Heavy-current (HC) Model | ||
| 1912508 | MVSTBR 2,5 HC/12-ST-5,08 | 2.5mm² HC heavy-current 12-pole red shell screw terminal, enhanced current capacity for high-power 12-channel circuits |
2. Quick Interpretation of Model Naming Rules
| Naming Segment | Meaning | Explanation |
|---|---|---|
| MVSTBW/MVSTBU/MVSTBR | Series & Shell Color | - MVSTBW = White shell, general-purpose circuits- MVSTBU = Blue shell, signal circuit identification- MVSTBR = Red shell, power circuit identification |
| 2.5/2,5 | Wire Cross-section | Compatible wire size: 2.5mm², unified for all models |
| /X | Pole Count | Number of channels, e.g., /24 = 24-pole, /2 = 2-pole, determines wiring density |
| -ST/-STF/-GB | Terminal Type | - ST = Screw terminal, manual tightening, stable clamping for long-term use- STF = Spring terminal, tool-free quick wiring, high assembly efficiency- GB = Grid terminal, optimized for stable low-current signal transmission |
| -5.08/5,08 | Pitch | Fixed 5.08mm pitch, adapts to standard high-density PCB layout requirements |
| -HC | Heavy-current Grade | Enhanced current-carrying capacity, for medium-high power circuit connection |
| -EX | Enhanced Insulation | EX-grade insulation, for high-safety scenarios (e.g., low-voltage power distribution) |
3. Core Advantages of MVST Series Products
- Unified Spec & High-density WiringAll models support 2.5mm² wires and 5.08mm pitch, suitable for compact PCB layout, maximizing wiring density in limited equipment space.
- Clear Color Coding for Circuit IdentificationWhite (general), blue (signal), red (power) shell models realize visual circuit classification, reducing maintenance errors in complex systems.
- Dual Wiring Type & Efficiency FlexibilityScrew terminals ensure stable clamping for long-term operation; spring terminals achieve tool-free quick assembly, matching different production efficiency requirements.
- Enhanced Grade ExpansionHC heavy-current models improve current-carrying capacity; EX enhanced insulation models meet high-safety application standards, expanding the product application scope.
4. Product Selection Suggestions
- Select by Shell Color & Circuit Type
- For general-purpose mixed circuits: Choose MVSTBW white shell models (e.g., 1792854, 1835009).
- For signal circuits requiring identification: Select MVSTBU blue shell models (e.g., 1788693, 1788538).
- For power circuits requiring identification: Adopt MVSTBR red shell models (e.g., 1792427, 1835232).
- Select by Terminal Type & Assembly Efficiency
- For stable long-term operation (e.g., industrial control panels): Choose ST screw terminal models (e.g., 1792977, 1792427).
- For high-efficiency mass production (e.g., automation equipment assembly): Select STF spring terminal models (e.g., 1835009, 1835232).
- For stable signal transmission: Use GB grid terminal models (MVSTBU series, e.g., 1788606).
- Select by Special Scenario Requirements
- For medium-high power circuits: Choose HC heavy-current models (e.g., 1912922, 1912508).
- For high-safety scenarios: Select EX enhanced insulation models (e.g., 1809788, 1809694).
Phoenix MVSTBW/MVSTBU/MVSTBR Series PCB Terminal Blocks Selection Guide
Created on：2026-01-21 09:56
