Emergency Stop Switches / E-Stop Switches E-Stop Station
Research Notes
1. What this is
FB1W-HW4K-2B20 is an IDEC FB-series protective guard / full-cover accessory fitted over a 22mm HW/XW/XN operator (the trailing HW1B/HW4B/XW1E token names the operator it protects).
2. Part-number decode
- Series: IDEC FB — 22mm guard/cover
3. Compatibility & ordering
Panel cutout: 22mm. Unibody construction — the operator and contact are a single assembly. Cross-reference by size, operation, contact arrangement, and color to an equivalent from another IEC command-switch line (Schneider Harmony, Allen-Bradley 800F/800T, Siemens 3SU, Eaton M22) if IDEC is unavailable.
4. Data-quality note
The series is identified, but one or more code segments (exact operator/contact config) are not fully determinable from the part number alone — treat those as indicative and confirm against IDEC's datasheet for a critical order.
5. Sources
- IDEC FB-series datasheet / ordering guide (idec.com)
- IDEC USA catalog: https://us.idec.com (search the exact part number)
1 source
- IDEC USA catalog — FB1W-HW4K-2B20 — us.idec.com
Specyfikacje
|
Device class
|
guard/cover
|
|
Enriched by
|
idec-decoder-2026-08-12
|
|
Lead time
|
0 Days
|
|
Manufacturer series
|
FB
|
|
Modular
|
false
|
|
Mouser part number
|
199-FB1WHW4K2B20
|
|
Panel cutout
|
22mm
|
|
Pn status
|
decoded-partial
|
|
Rohs status
|
|
|
Series description
|
IDEC FB-series protective guard / full-cover accessory fitted over a 22mm HW/XW/XN operator (the trailing HW1B/HW4B/XW1E token names the operator it protects)
|
Skrócona Instrukcja Montażu
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.
Wymiary
Rozwiązywanie Problemów
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.
Gdzie Kupić
Przedział cenowy
$72.46 — $72.46
u 1 dystrybutorów
Skrócone Specyfikacje
- Device class
- guard/cover
- Enriched by
- idec-decoder-2026-08-12
- Lead time
- 0 Days
- Manufacturer series
- FB
- Modular
- false
