Phoenix GM/GSM/GK Series PCB Terminal Blocks Selection Guide
Phoenix GM/GSM/GK series products are compact PCB terminal blocks designed for low-power signal and control circuit connections, with a unified pitch of 7.62mm and compatible wire cross-sections mainly covering 1.5mm² and 2.5mm². The series includes diverse terminal types such as screw (ST), spring (STF), grid (G), and grid spring (GF), and offers high-voltage (HV) and heavy-current (HC) enhanced models, suitable for high-density wiring in industrial controllers, sensors, and small automation equipment.
1. Core Model List (With Product Descriptions)
| Product Code | Product Model | Product Description |
|---|---|---|
| GMSTB Series (Mainstream 2.5mm² PCB Terminals) | ||
| Screw Terminal (ST) Models | ||
| 1767083 | GMSTB 2,5/10-ST-7,62 | 2.5mm² 10-pole screw terminal, 7.62mm pitch, high-density wiring for 10-channel low-power control circuits |
| 1767070 | GMSTB 2,5/ 9-ST-7,62 | 2.5mm² 9-pole screw terminal, stable clamping for 9-channel signal transmission |
| 1767067 | GMSTB 2,5/ 8-ST-7,62 | 2.5mm² 8-pole screw terminal, general-purpose for medium-density PCB wiring |
| 1767054 | GMSTB 2,5/ 7-ST-7,62 | 2.5mm² 7-pole screw terminal, for 7-channel control circuit connection |
| 1767041 | GMSTB 2,5/ 6-ST-7,62 | 2.5mm² 6-pole screw terminal, 7.62mm pitch, cost-effective for standard 6-channel wiring |
| 1766929 | GMSTB 2,5/ 6-ST | 2.5mm² 6-pole screw terminal (no pitch marked), compatible with universal 7.62mm pitch PCB layouts |
| 1766916 | GMSTB 2,5/ 5-ST | 2.5mm² 5-pole screw terminal, for small-scale 5-channel signal circuit connection |
| 1767025 | GMSTB 2,5/ 4-ST-7,62 | 2.5mm² 4-pole screw terminal, stable clamping for 4-channel low-power control circuits |
| 1767012 | GMSTB 2,5/ 3-ST-7,62 | 2.5mm² 3-pole screw terminal, for 3-channel signal transmission in compact equipment |
| 1766990 | GMSTB 2,5/ 2-ST-7,62 | 2.5mm² 2-pole screw terminal, basic model for dual-channel low-power circuit connection |
| 1714278 | GMSTB 2,5 HCV/ 2-ST-7,62 | 2.5mm² 2-pole heavy-current (HCV) screw terminal, enhanced current-carrying capacity for high-power small-channel circuits |
| Spring Terminal (STF) & Grid Spring (GF) Models | ||
| 1858772 | GMSTB 2,5/ 3-STF-7,62 | 2.5mm² 3-pole spring terminal, tool-free quick wiring, suitable for high-efficiency assembly scenarios |
| 1806245 | GMSTB 2,5/ 4-GF-7,62 | 2.5mm² 4-pole grid spring terminal, combines grid stability and spring quick connection for precision signal circuits |
| 1806232 | GMSTB 2,5/ 3-GF-7,62 | 2.5mm² 3-pole grid spring terminal, stable transmission for 3-channel precision signals |
| GMSTBA/GMSTBV/GMSTBVA Series (Grid Terminal G Models) | ||
| 1766314 | GMSTBA 2,5/10-G-7,62 | 2.5mm² 10-pole grid terminal, optimized for low-current high-density signal transmission |
| 1766291 | GMSTBA 2,5/ 8-G-7,62 | 2.5mm² 8-pole grid terminal, stable signal transmission for medium-density PCB wiring |
| 1766275 | GMSTBA 2,5/ 6-G-7,62 | 2.5mm² 6-pole grid terminal, for 6-channel precision signal circuit connection |
| 1766262 | GMSTBA 2,5/ 5-G-7,62 | 2.5mm² 5-pole grid terminal, for small-scale 5-channel precision signal transmission |
| 1766233 | GMSTBA 2,5/ 2-G-7,62 | 2.5mm² 2-pole grid terminal, basic model for dual-channel precision signal connection |
| 1829251 | GMSTBV 2,5/12-GF-7,62 | 2.5mm² 12-pole grid spring terminal, ultra-high-density wiring for 12-channel signal circuits |
| 1766783 | GMSTBVA 2,5/ 3-G-7,62 | 2.5mm² 3-pole grid terminal, enhanced insulation design for high-safety signal transmission |
| 1767979 | GMSTBVA 2,5 HC/ 3-G-7,62 | 2.5mm² 3-pole heavy-current (HC) grid terminal, high current-carrying capacity for 3-channel high-power circuits |
| GMVSTBW/GMVSTBR Series (High-voltage & Multi-pole Models) | ||
| 1832426 | GMVSTBW 2,5/ 3-ST-7,62 | 2.5mm² 3-pole screw terminal, white shell for circuit identification in complex systems |
| 1893957 | GMVSTBW 2,5 HV/ 4-ST-7,62 NZIL | 2.5mm² 4-pole high-voltage (HV) screw terminal, NZIL insulation enhancement, for high-voltage low-current control circuits |
| 1927221 | GMVSTBW 2,5 HV/ 4-ST-7,62 | 2.5mm² 4-pole high-voltage screw terminal, basic HV model for high-voltage small-channel wiring |
| 1832620 | GMVSTBR 2,5/12-ST-7,62 | 2.5mm² 12-pole screw terminal, red shell for high-voltage/power circuit identification |
| 1847893 | GMVSTBR 2,5/ 3-STF-7,62 | 2.5mm² 3-pole spring terminal, red shell, tool-free wiring for 3-channel signal/power circuits |
| GMKDS/GSMKDSP Series (1.5mm²/3mm² Small-spec Terminals) | ||
| 1718728 | GSMKDSP 1,5/ 2-7,62 | 1.5mm² 2-pole compact terminal, 7.62mm pitch, for ultra-small PCB low-current signal connection |
| 1707043 | GMKDSN 1,5/ 4-7,62 | 1.5mm² 4-pole compact terminal, for 4-channel micro-signal circuit transmission |
| 1731734 | GMKDS 3/ 3-7,62 | 3mm² 3-pole compact terminal, enhanced current capacity for 3-channel medium-power small-spec circuits |
| 1731721 | GMKDS 3/ 2-7,62 | 3mm² 2-pole compact terminal, basic model for dual-channel medium-power small-spec wiring |
| 1717033 | GMKDS 1.5/3 | 1.5mm² 3-pole compact terminal (no pitch marked), compatible with universal 7.62mm pitch layouts |
| 1717729 | GMKDS 1.5/2-7.62 | 1.5mm² 2-pole compact terminal, 7.62mm pitch, for dual-channel micro-signal transmission |
| Special Model | ||
| 1709025 | GKDS/E | Universal terminal block accessory, for function expansion and interface conversion of GM/GSM series terminals |
2. Quick Interpretation of Model Naming Rules
| Naming Segment | Meaning | Explanation |
|---|---|---|
| GM/GSM/GK | Series Identifier | - GM = Mainstream PCB terminal block series (2.5mm² focus)- GSM = Compact small-spec terminal series (1.5mm² focus)- GK = Terminal accessory series |
| 2,5/1,5/3 | Wire Cross-section | Compatible wire size (mm²), e.g., 2,5 = 2.5mm², 1,5 = 1.5mm², 3 = 3mm² |
| /X | Pole Count | Number of channels, e.g., /12 = 12-pole, /3 = 3-pole, determines wiring density |
| -ST/-STF/-G/-GF | Terminal Type | - ST = Screw terminal, manual tightening, stable clamping for general circuits- STF = Spring terminal, tool-free quick wiring, high assembly efficiency- G = Grid terminal, optimized for low-current precision signal transmission- GF = Grid spring terminal, combines grid stability and spring quick connection |
| -HV/-HC/-HCV | Enhanced Grade | - HV = High-voltage compatible, for high-voltage low-current circuits- HC/HCV = Heavy-current enhanced, for high-power small-channel circuits |
| -7,62 | Pitch | Fixed 7.62mm pitch, adapts to standard high-density PCB layout requirements |
| -W/-R | Shell Color | - W = White shell, for signal circuit identification- R = Red shell, for high-voltage/power circuit identification |
3. Core Advantages of GM/GSM/GK Series Products
- Unified Pitch & High-density WiringAll models adopt a 7.62mm standard pitch, suitable for high-density PCB layout, saving equipment internal space and adapting to compact automation devices.
- Diversified Terminal Type OptionsProvides screw, spring, grid, and grid spring terminal types, matching different wiring efficiency and signal stability requirements.
- Enhanced Grade CoverageOffers high-voltage (HV) and heavy-current (HC/HCV) models, expanding the application scope from low-power signals to high-voltage/power control circuits.
- Clear Shell Color CodingWhite/red shell models facilitate circuit identification in complex PCB systems, improving maintenance efficiency.
4. Product Selection Suggestions
- Select by Wire Cross-section
- For 1.5mm² micro-signal circuits: Choose GSMKDSP/GMKDS series models (e.g., 1718728, 1707043).
- For 2.5mm² low-power control circuits: Select GMSTB/GMSTBA/GMVSTBW series models (e.g., 1767083, 1766314).
- For 3mm² medium-power small-spec circuits: Adopt GMKDS 3 series models (e.g., 1731734, 1731721).
- Select by Terminal Type & Wiring Efficiency
- For stable clamping & general scenarios: Choose ST screw terminal models (e.g., 1767083, 1832426).
- For quick assembly & high-efficiency production: Select STF spring terminal models (e.g., 1858772, 1847893).
- For precision signal transmission: Use G/GF grid/grid spring terminal models (e.g., 1766314, 1806245).
- Select by Special Scenario Requirements
- For high-voltage low-current circuits: Choose HV suffix models (e.g., 1893957, 1927221).
- For high-power small-channel circuits: Select HC/HCV suffix models (e.g., 1767979, 1714278).
- For circuit identification needs: Use white/red shell models (e.g., 1832426, 1832620).
Phoenix GM/GSM/GK Series PCB Terminal Blocks Selection Guide
Created on：2026-01-20 14:14
