Overview
The 27E128 relay socket is a 2-pole printed circuit board relay socket manufactured by TE Connectivity/Potter & Brumfield. This industrial-grade component is engineered for direct PCB mounting in control panels, machinery, and electrical distribution systems requiring dependable relay switching. The socket’s through-hole terminal design integrates seamlessly into modern manufacturing control assemblies.
Key Features
- 2-pole configuration for dual-circuit switching applications
- 10-pin through-hole PCB terminal design for secure solder connections
- Polyester body with spring brass contact base—corrosion resistant
- Tin-plated finish for improved solderability and long service life
- Hold-down springs and PC stag terminal configuration for mechanical stability
- Suitable for signal relay applications up to 10A rated current
Technical Specifications
- Part Number: 27E128 (TE Connectivity alternative: 1-1393143-1)
- Poles: 2
- Pin Count: 10
- Current Rating: 10A
- Terminal Type: Through-hole PCB solder pins
- Body Material: Polyester
- Contact Base: Spring brass with tin plating
- Mounting: Direct PCB mount
- Operating Temperature: Industrial standard
Typical Applications
The 27E128 socket accommodates signal relays in:
- Industrial control cabinets and switchgear assemblies
- Programmable logic controller (PLC) output modules
- HVAC and facility automation systems
- Machine tool control circuits
- Test and measurement equipment
- Power distribution and motor control circuits
Compatibility & Replacements
Compatible With
- Signal relays with standard pin configurations
- TE Connectivity/Potter & Brumfield relay series
- Industrial PCB assemblies requiring 10A contact switching
- Standard through-hole PCB layouts
Replaces / Drop-In Replacement For
The 27E128 is the OEM socket; verify your existing relay socket’s pin layout and current rating before substitution. Contact your system integrator if unsure about replacement compatibility.
Works With
- TE Connectivity Potter & Brumfield signal relay modules
- Standard industrial relay coils (24VDC, 12VDC, AC)
- PCB assembly and manufacturing workflows
- IEC 61076 compliant control circuits
