Technical Dossier
Product Details And Specifications
JUMO SRM-96/50-043-00-64.5111 Temperature Controller – Obsolete SRM Series Spare Part
DriveKNMS reviews sourcing options for this model through RFQ handling before quotation.
RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.
Technical Specifications
| Parameter | Detail |
| Manufacturer | JUMO GmbH & Co. KG |
| Part Number | SRM-96/50-043-00-64.5111 |
| Series | SRM (Legacy) |
| Form Factor | 96 x 96 mm panel-mount |
| Controller Type | PID Temperature Controller |
| Country of Origin | Germany |
| Product Status | Discontinued – superseded by JUMO dTRON series |
| Compatibility | Legacy JUMO SRM panel installations; European OEM process equipment (1990s–2000s) |
Note: Electrical parameters such as input range, output type, and supply voltage are variant-specific and encoded in the order code. DriveKNMS will confirm full specifications against your existing unit upon inquiry. No parameters are assumed or fabricated.
Solving the Discontinued Hardware Crisis
The JUMO SRM series was a workhorse of European industrial temperature control for over two decades. Installed across pharmaceutical batch reactors, plastics extrusion lines, food processing ovens, and chemical dosing systems, these controllers were specified into panel designs that were never intended to accommodate a mid-life platform change.
When JUMO transitioned its product portfolio toward the dTRON platform, facilities that had standardized on the SRM series faced a structural problem: the physical footprint, wiring termination layout, parameter structure, and communication protocols of the SRM-96 do not map cleanly onto modern replacements without engineering intervention. For a plant running 20, 50, or 200 of these controllers across multiple lines, the cost of a forced migration is not a maintenance budget item — it is a capital project.
The rational alternative is asset life extension through verified spare part inventory. A single JUMO SRM-96/50-043-00-64.5111 held in reserve eliminates the risk of an unplanned line stoppage becoming a forced upgrade decision. For plant managers and maintenance engineers responsible for aging automation assets, this is not a workaround — it is a documented risk mitigation strategy.
How to extend your legacy automation asset life by 5–10 years:
Condition & Reliability Assurance
Discontinued components sourced from the secondary market carry inherent risk. DriveKNMS applies a structured 5-step quality assurance process to every SRM-96/50-043-00-64.5111 unit before it leaves our facility:
- Visual and mechanical inspection: Housing integrity, connector condition, and pin corrosion assessment. Units with oxidized or mechanically compromised terminals are rejected at this stage.
- Electrolytic capacitor assessment: Aging electrolytic capacitors are the primary failure mode in controllers of this vintage. Each unit is evaluated for capacitor condition; units showing evidence of bulging, leakage, or ESR degradation are flagged.
- Firmware version verification: Where accessible, firmware revision is recorded and cross-referenced against known stable versions for this order code.
- Functional power-on test: The unit is powered and its display, input response, and output behavior are verified against expected SRM-96 operating characteristics.
- Packaging and ESD protection: Units are packaged in anti-static materials with desiccant to prevent moisture ingress during storage and transit.
Key Features for System Maintenance
- Drop-in replacement: The SRM-96/50-043-00-64.5111 installs directly into the existing panel cutout and wiring harness of the original unit. No mechanical modification is required.
- No reprogramming of adjacent systems: Because this is the original part number — not a cross-reference or substitute — the controller's parameter structure and communication behavior are identical to the unit being replaced. PLC programs, SCADA configurations, and HMI displays do not require modification.
- Avoids engineering re-qualification costs: In regulated industries, substituting a different controller model triggers a change control process. Using the original part number eliminates this requirement, preserving your validated process status.
- Preserves panel certification: Replacing like-for-like maintains the electrical panel's existing certification status. Introducing a different model may require panel re-certification.
How do I know the unit is genuine and not a counterfeit?
All units are sourced through traceable supply channels. JUMO manufacturer markings, serial number formats, and label specifications are verified as part of our intake process. We do not source from unverified brokers or auction platforms.