Product Overview
When a Modicon Momentum rack goes down, the terminal base is often the first suspect. The 170PBI03001 from Schneider Electric is the terminal connection base that anchors 170 series I/O modules inside a Momentum assembly. It provides the physical and electrical interface between field wiring and the I/O module, using screw/clamp terminals for a firm, serviceable connection.
This base accepts both discrete and analog 170 series modules, so a single spare can cover multiple positions in your cabinet. That flexibility matters when you are keeping a process line running and cannot wait on a long lead time. Note that the 170PBI03001 is discontinued (last verified 2026-09), so availability depends on remaining stock — confirm current lifecycle status with Oil AutoTech before ordering.

Technical Specifications
| Specification | Value |
|---|---|
| Model | 170PBI03001 |
| Brand | Schneider Electric |
| Series | Modicon Momentum |
| Function | Terminal connection base for 170 series I/O modules |
| Compatible modules | 170 series discrete and analog I/O modules |
| Terminal type | Screw/clamp terminal |
| Protection rating | IP20 |
| Certifications | CE, UL, CSA |
| Lifecycle | Discontinued (last verified 2026-09) |
What These Specs Mean in Practice
The screw/clamp terminal design lets technicians land and re-terminate field wires with standard tools, which shortens troubleshooting windows. The IP20 rating tells you the base belongs inside a protected enclosure, away from dust and moisture ingress. CE, UL, and CSA certifications indicate the unit was built to recognized industrial standards — useful when your panel documentation must satisfy multiple regions.
Where the 170PBI03001 Fits
Momentum I/O bases appear across oil and gas, water treatment, and general factory automation. Three common situations:
- Discrete input replacement: A failed base interrupts limit switch or pushbutton signals feeding a 170 series discrete module.
- Analog loop support: The same base carries analog module wiring for pressure or flow transmitters on a process skid.
- Panel rebuilds: Integrators standardizing on Modicon Momentum stock this base to keep spare positions ready.
Because the base supports both discrete and analog modules, you reduce the number of distinct spare part numbers on the shelf — a practical cost saving for maintenance teams.
Installation Notes
Mount the base according to the Momentum assembly layout, then seat the matching 170 series I/O module firmly. Keep the enclosure closed and clean to preserve the IP20 protection level. Verify terminal torque and wire routing against your panel drawings before energizing. If you are replacing a base in an existing rack, label field wires first; the screw/clamp terminals make re-termination straightforward, but correct identification prevents cross-wiring.
Sourcing a Discontinued Base
Since the 170PBI03001 is discontinued, buyers should verify stock, condition, and any recommended replacement path before committing. Oil AutoTech focuses on fast dispatch of spares for oil, gas, and industrial automation, with quick worldwide delivery and hands-on technical selection help. Contact Oil AutoTech today for pricing and availability.
Frequently Asked Questions
Is the 170PBI03001 still in production?
No. The data lists it as discontinued, last verified 2026-09. Check availability with Oil AutoTech.
Which modules work with this base?
It accepts 170 series discrete and analog I/O modules.
What terminal type does it use?
Screw/clamp terminals for field wiring connections.
What is its protection rating?
IP20, so it must be installed inside a suitable enclosure.
What certifications does it carry?
CE, UL, and CSA.
