Emergency Stop Switches / E-Stop Switches SWITCH PUSHBUTTON
Research Notes
1. What this is
FF0116BBCEEA01 is an NKK FF-series pushbutton switch.
2. Part-number decode
- Product line: NKK FF
- Type: pushbutton
3. Compatibility & ordering
NKK Switches makes high-quality toggle, rocker, pushbutton, tactile, and programmable SmartSwitch products for panel and PCB mounting. Match by type (toggle/rocker/pushbutton/programmable), actuation (momentary vs alternate), illumination, mounting, and the electrical rating, then use the NKK datasheet to confirm the exact contact form and termination encoded in the part number.
4. Data-quality note
The NKK switch type is identified; the detailed configuration (contact form, termination, cap/colour) is line-specific and left to the NKK datasheet rather than guessed. Flagged decoded-partial.
5. Sources
- NKK Switches product catalog (nkkswitches.com)
- Distributor listing (DigiKey / Mouser) — search the exact part number
1 source
- NKK Switches — FF0116BBCEEA01 — nkkswitches.com
स्पेसिफिकेशन
|
Device class
|
pushbutton
|
|
Enriched by
|
nkk-decoder-2026-08-12
|
|
Lead time
|
13 Days
|
|
Manufacturer series
|
FF
|
|
Mouser part number
|
633-FF0116BBCEEA01
|
|
Pn status
|
decoded-partial
|
|
Rohs status
|
RoHS Compliant
|
|
Series description
|
NKK FF-series pushbutton switch
|
इंस्टॉलेशन त्वरित संदर्भ
Panel cutout: 22mm. Mount with the yellow backing plate visible (required by EN/ISO 13850).
Wiring: Wire NC contacts in series with the safety relay input channels. Use dual-channel wiring for SIL 3 / PLe applications. Never wire directly to a motor contactor.
Testing: Press the e-stop and verify the machine stops within the required time. Test the reset mechanism. Repeat monthly per EN/ISO 13850.
आयाम
समस्या निवारण
E-stop won't reset (twist/pull doesn't release)
Check for debris in the mechanism. For twist-release: turn clockwise 45-90 degrees. For push-pull: pull straight out firmly. If the mechanism is stuck, the internal latch may be damaged — replace the entire head assembly.
Machine doesn't stop when e-stop is pressed
Critical safety issue. Immediately lock out the machine. Check wiring — NC contacts must be in series with the safety relay. Verify the safety relay is functioning. A broken wire in an NC circuit should cause a stop, so check for a wiring bypass.
Safety relay faults after e-stop reset
The safety relay detects a cross-fault between the two monitoring channels. Check that both NC contacts on the e-stop are switching simultaneously. One contact may be welded closed — replace the contact block.
संक्षिप्त स्पेसिफिकेशन
- Device class
- pushbutton
- Enriched by
- nkk-decoder-2026-08-12
- Lead time
- 13 Days
- Manufacturer series
- FF
- Mouser part number
- 633-FF0116BBCEEA01
