// Component Category · Electrical & Sensor Parts
Gildemeister
Electrical & Sensors.
From Contactor to Encoder.
Gildemeister electrical and sensor spare parts: relays, contactors, fuses, power supplies, encoders, limit switches. 1,312 part numbers in the catalogue, since 1994. For CT, CTX, GDM, MD, TWIN and GMX.
“24V missing” is not a part — it's a clue.
Contactor hums, encoder reports a fault, reference point missing — with electrical and sensor problems the defect is rarely where the symptom shows up. Relay, cable, encoder or control?
// Electrical · all 793 parts
- // Component faulty or burnt out
- // Contactor won't engage
- // Fuse keeps blowing
- // Contact problems · loose connection
- // No power at the control — Error code: 24V missing
// Sensors · all 519 parts
- // Reference point not found
- // Position error · dimensional deviation
- // Encoder error message on the control
- // Spindle orientation not working
- // Backup battery weak — Error code: Battery low NC
Reply within 24h · In person · No bots
Not sure which component is affected? Use our fault diagnosis — we measure before we replace.
Electrical & Sensor Components
for Gildemeister CNC.
ESDI supplies electrical and sensor spare parts for the Gildemeister machine family — from a single auxiliary contactor to a complete encoder wiring harness.
Relays & Contactors
195 part numbers: auxiliary contactors, main contactors, power contactors for the main drive and the control circuit. Often Siemens design. View catalogue
Encoders
121 part numbers: rotary encoders and linear scales. Mostly Heidenhain and Balluff. View catalogue
Limit & Proximity Switches
36 part numbers: reference limit switches, inductive proximity switches for axes and tool turrets. View catalogue
Power Supplies & Fuses
17 power supply and 21 fuse part numbers: control-voltage power supplies, cartridge fuses, circuit breakers for 24V and main circuits. View catalogue
Fans & Cabinet Cooling
35 part numbers: control cabinet fans and blowers that keep the control from overheating. View catalogue
Cables & Wiring Harnesses (Sensors)
36 part numbers: encoder cables, wiring harnesses and connecting leads for encoders and sensors. View catalogue
1,312 Part Numbers
to Look Up.
793 Part Numbers
Electrical Parts Catalogue
Relays, contactors, fuses, power supplies, fans — the full list with designations, each one ready to inquire about.
View catalogue519 Part Numbers
Sensor Parts Catalogue
Encoders, limit switches, proximity switches, cables — the full list with designations, each one ready to inquire about.
View catalogueGildemeister Electrical & Sensors
for Every Series.
What we often see
with electrical & sensor faults.
// 01 · Contactor or Fuse?
The Fuse Is Rarely to Blame.
If the control cabinet hums and the contactor won't engage, the contactor coil is usually the culprit, not the fuse. Simply swapping the fuse without a diagnosis often achieves nothing.
// 02 · Encoder Error Message
Cable First, Then Encoder.
“Reference point not found” can come from the encoder, the cable or the control. Check cables and connectors first — that often saves the expensive encoder replacement.
// 03 · 24V Missing
Power Supply or Just a Fuse?
Component class: fuses, 24V power supply, bridge rectifier. Simply swapping the fuse without a diagnosis often leads to follow-up damage to the power supply. More on this error code.
// 04 · Battery low NC
Back Up Before Replacing.
The backup battery on the main board is weak. Before any battery change, parameters and NC programs must be exported — otherwise you risk losing all of them. More on this error code.
Gildemeister Electrical & Sensors —
what workshop managers ask.
Which Gildemeister electrical and sensor parts does ESDI supply?
1,312 part numbers in two component groups: 793 electrical parts (relays, contactors, fuses, power supplies, fans) and 519 sensor parts (encoders, limit switches, proximity switches, cables). For CT, CTX, GDM, MD, TWIN and GMX.
What does the “24V missing” fault on the control mean?
The 24V supply for the PLC or the control has failed. Component class: fuses, 24V power supply or bridge rectifier. Every Gildemeister series is affected — CT, CTX, GDM, MD, TWIN, GMX.
What does “Battery low NC” mean on Heidenhain controls?
The NC backup battery on the main board is weak. It sounds harmless, but the next power cut can wipe out every parameter. Affected: Heidenhain EPL and EP controls, many CT/CTX/GDM.
What if the symptom cannot be pinned to one component?
Then guess-and-replace repair is not worth it. Our fault diagnosis measures signal, voltage and concentricity and links the symptom to the component — on site or narrowed down by phone.
// Straight to a Technician
Electrical or sensor problem?
Narrow it down first, then replace.
- Reply within 24h on business days
- Personally from a technician — no bots, no call centre
- Your inquiry never leaves our workshop
Workshop hotline · Mon–Fri 8am–4pm CET · 2–10 AM New York · 11 PM–7 AM Los Angeles · reply within 24h on business days
// Describe it in Writing
Part Numbers to Look Up
Our workshop stock as a list — every number with a direct inquiry path.