
MSTB 2,5/ 7-ST - PCB connector
PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- Well-known connection principle allows worldwide use
- Low temperature rise, thanks to maximum contact force
- Allows connection of two conductors
MSTB
The Phoenix Contact MSTB Series is a line of pluggable PCB connectors designed for reliable and efficient electrical connections in various electronic applications. These connectors are part of the COMBICON product family and are engineered to provide secure and durable connections between printed circuit boards and external wiring.
Key Features:
- ✅ Screw Connection with Tension Sleeve: The MSTB Series utilizes a screw connection method with a tension sleeve, ensuring a secure and vibration-resistant connection.
- ✅ Various Positions and Pitches: Available in multiple configurations, the MSTB Series offers different numbers of positions and pitches to accommodate diverse application requirements.
- ✅ High Current and Voltage Ratings: With a nominal current rating of up to 12 A and a nominal voltage rating of up to 320 V, these connectors are suitable for a wide range of electrical applications.
- ✅ Durable Materials: Constructed with high-quality materials, including a polyamide insulating housing and tin-plated copper alloy contacts, the MSTB Series ensures long-lasting performance.
Product properties
Product family | MSTB 2,5/..-ST |
Product line | COMBICON Connectors M |
Type | Standard |
Number of Positions | 7 |
Pitch | 5 mm |
Number of Connections | 7 |
Number of rows | 1 |
Number of potentials | 7 |
Mounting flange | without |
Electrical properties
Nominal current IN | 12 A |
Nominal voltage UN | 320 V |
Degree of pollution | 3 |
Contact resistance | 1.4 mΩ |
Rated voltage (III/3) | 250 V |
Rated surge voltage (III/3) | 4 kV |
Rated voltage (III/2) | 320 V |
Rated surge voltage (III/2) | 4 kV |
Rated voltage (II/2) | 630 V |
Rated surge voltage (II/2) | 4 kV |
Connection technology
Type | Standard |
Connector system | COMBICON MSTB 2,5 |
Nominal cross section | 2.5 mm² |
Contact connection type | Socket |
Interlock
Locking Type | without |
Mounting flange | without |
Conductor connection
Connection Method | Screw connection with tension sleeve |
Conductor/PCB connection direction | 0 ° |
Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
Conductor cross section AWG | 24 ... 12 |
Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 2.5 mm² |
Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 2.5 mm² |
2 conductors with same cross section, solid | 0.2 mm² ... 1 mm² |
2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 mm² ... 1 mm² |
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 1.5 mm² |
Cylindrical gauge a x b / diameter | 2.8 mm x 2.0 mm / 2.4 mm |
Stripping length | 7 mm |
Tightening torque | 0.5 Nm ... 0.6 Nm |
Specifications for ferrules without insulating collar
recommended crimping tool | 1212034 CRIMPFOX 6 |
Specifications for ferrules with insulating collar
recommended crimping tool | 1212034 CRIMPFOX 6 |
Material data - contact
Note | WEEE/RoHS-compliant, free of whiskers according to IEC 60068-2-82/JEDEC JESD 201 |
Contact Material | Cu alloy |
Surface characteristics | hot-dip tin-plated |
Metal surface terminal point (top layer) | Tin (5 - 7 µm Sn) |
Metal surface contact area (top layer) | Tin (5 - 7 µm Sn) |
Material data - housing
Color (Housing) | green (6021) |
Insulating material | PA |
Insulating material group | I |
CTI according to IEC 60112 | 600 |
Flammability rating according to UL 94 | V0 |
Glow wire flammability index GWFI according to EN 60695-2-12 | 850 |
Glow wire ignition temperature GWIT according to EN 60695-2-13 | 775 |
Temperature for the ball pressure test according to EN 60695-10-2 | 125 °C |
Dimensions
Pitch | 5 mm |
Width [w] | 35 mm |
Height [h] | 15 mm |
Length [l] | 18.2 mm |
Mounting
Drive form screw head | Slotted (L) |
Notes
Notes on operation | In accordance with IEC 61984, COMBICON connectors have no switching power (COC). During designated use, they must not be plugged in or disconnected when carrying voltage or under load. |
Test for conductor damage and slackening
Specification | IEC 60999-1:1999-11 |
Result | Test passed |
Pull-out test
Specification | IEC 60999-1:1999-11 |
Conductor cross section/conductor type/tractive force setpoint/actual value | 0.2 mm² / solid / > 10 N |
Conductor cross section/conductor type/tractive force setpoint/actual value | 0.2 mm² / flexible / > 10 N |
Conductor cross section/conductor type/tractive force setpoint/actual value | 2.5 mm² / solid / > 50 N |
Conductor cross section/conductor type/tractive force setpoint/actual value | 2.5 mm² / flexible / > 50 N |
Insertion and withdrawal forces
Result | Test passed |
No. of cycles | 25 |
Insertion strength per pos. approx. | 8 N |
Withdraw strength per pos. approx. | 6 N |
Torque test
Specification | IEC 60999-1:1999-11 |
Resistance of inscriptions
Specification | IEC 60068-2-70:1995-12 |
Result | Test passed |
Polarization and coding
Specification | IEC 60512-13-5:2006-02 |
Result | Test passed |
Visual inspection
Specification | IEC 60512-1-1:2002-02 |
Result | Test passed |
Dimension check
Specification | IEC 60512-1-2:2002-02 |
Result | Test passed |
Vibration test
Specification | IEC 60068-2-6:2007-12 |
Frequency | 10 - 150 - 10 Hz |
Sweep speed | 1 octave/min |
Amplitude | 0.35 mm (10 Hz ... 60.1 Hz) |
Acceleration | 5g (60.1 Hz ... 150 Hz) |
Test duration per axis | 2.5 h |
Durability test
Specification | IEC 60512-9-1:2010-03 |
Impulse withstand voltage at sea level | 4.8 kV |
Contact resistance R1 | 1.4 mΩ |
Contact resistance R2 | 1.5 mΩ |
Insertion/withdrawal cycles | 25 |
Insulation resistance, neighboring positions | > 5 MΩ |
Climatic test
Specification | ISO 6988:1985-02 |
Corrosive stress | 0.2 dm3 SO2 on 300 dm3/40 °C/1 cycle |
Thermal stress | 100 °C/168 h |
Power-frequency withstand voltage | 2.21 kV |
Ambient conditions
Ambient Temperature (Operation) | -40 °C ... 100 °C (dependent on the derating curve) |
Ambient temperature (storage/transport) | -40 °C ... 70 °C |
Relative humidity (storage/transport) | 30 % ... 70 % |
Ambient temperature (assembly) | -5 °C ... 100 °C |
Thermal test | Test group C
Specification | IEC 60512-5-1:2002-02 |
Tested number of positions | 24 |
Insulation resistance
Specification | IEC 60512-3-1:2002-02 |
Insulation resistance, neighboring positions | > 5 MΩ |
Air clearances and creepage distances |
Specification | IEC 60664-1:2007-04 |
Insulating material group | I |
Comparative tracking index (IEC 60112) | CTI 600 |
Rated insulation voltage (III/3) | 250 V |
Rated surge voltage (III/3) | 4 kV |
minimum clearance value - non-homogenous field (III/3) | 3 mm |
minimum creepage distance (III/3) | 3.2 mm |
Rated insulation voltage (III/2) | 320 V |
Rated surge voltage (III/2) | 4 kV |
minimum clearance value - non-homogenous field (III/2) | 3 mm |
minimum creepage distance (III/2) | 3 mm |
Rated insulation voltage (II/2) | 630 V |
Rated surge voltage (II/2) | 4 kV |
minimum clearance value - non-homogenous field (II/2) | 3 mm |
minimum creepage distance (II/2) | 3.2 mm |
Packaging specifications
Type of packaging | packed in cardboard |
Why Proax for Phoenix Contact 1754546?
Proax is an authorized distributor of Phoenix Contact 1754546 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Pack Size | 50 |
- MSTB 2,5/ 7-STF-5,08 (1,3,5,7) - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 4, number of rows: 1, number of positions: 7, number of connections: 4, product range: MSTB 2,5/..-STF, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - without locking clip, plug-in system: COMBICON MSTB 2,5, locking: Screw locking mechanism, mounting: Screw flange, type of packaging: packed in cardboard
- MSTB 2,5/ 7-STF-5,08 AU - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Gold, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-STF, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - without locking clip, plug-in system: COMBICON MSTB 2,5, locking: Screw locking mechanism, mounting: Screw flange, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08-LR - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST-LR, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - without locking clip, plug-in system: COMBICON MSTB 2,5, locking: Snap-in locking, mounting: Lock & Release ejector lever, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 (1357) - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 4, number of rows: 1, number of positions: 7, number of connections: 4, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 AU - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Gold, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 BD:1-7 - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 BD:14-20 - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 BD:N-N QSO - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 BD:R2-+ SO - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST-5,08 BK - PCB connector, nominal cross section: 2.5 mm2, color: black, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST BD:9-15 - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST BD:1-7 - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard
- MSTB 2,5/ 7-ST BD: 66-27 - PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Tin, contact connection type: Socket, number of potentials: 7, number of rows: 1, number of positions: 7, number of connections: 7, product range: MSTB 2,5/..-ST, pitch: 5 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip, plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging: packed in cardboard