EmbeddedRelated.com
The 2026 Embedded Online Conference
Phoenix Contact MSTB 2,5/ 4-STF-5,08

Phoenix Contact MSTB 2,5/ 4-STF-5,08

MPN: 1778001
Phoenix Contact
Widely used 2-position 5.08 mm pitch PCB terminal block series
Active5,272 in stock

Overview

The 1778001 is a 4-position, 5.08 mm pitch pluggable PCB terminal block from the MSTB 2,5 series. It features a screw connection with a tension sleeve for reliable wire termination and includes a screw flange to ensure a secure mechanical connection to the mating header. This connector is rated for 12 A and 320 V (IEC), making it a standard choice for power and signal distribution in industrial environments.

Why Choose This Part

This terminal block offers high mechanical stability through its integrated screw flanges, preventing accidental disconnection under vibration. The screw-type termination accommodates a wide range of wire gauges from 24 AWG to 12 AWG, providing versatility for various cable types. Its high-quality PA housing carries a UL 94 V0 flammability rating, ensuring safety in demanding industrial applications.

Applications

Industrial Control Panels
Used for modular wiring of PLCs, power supplies, and DIN rail mounted equipment where secure, removable connections are required.
Motor Drive Interfaces
Providing reliable power delivery for small motor controllers requiring up to 12 A of continuous current.
Power Supply Outputs
Acts as an accessible interface for DC power distribution in embedded systems and rack-mounted hardware.
Field Wiring Terminals
Facilitates easy maintenance by allowing field technicians to disconnect entire wiring harnesses without unscrewing individual leads.

Key Specifications

Type Plug, Female Sockets
Color Green
Pitch 0.200" (5.08mm)
Features Mating Flange
Current - UL 15 A
Voltage - UL 300 V
Current - IEC 12A
Mounting Type Free Hanging (In-Line)
Voltage - IEC 630 V
Plug Wire Entry 180deg
Number of Levels 1
Termination Style Screw - Rising Cage Clamp
Number of Positions 4
Positions Per Level 4
Contact Mating Finish Tin
Wire Gauge or Range - AWG 12-30 AWG
Wire Gauge or Range - mm² 0.2-2.5mm²
The 2026 Embedded Online Conference