Emergency Stop Switches / E-Stop Switches ESTRONGZ ESTOP 2NC/2NO M20 SS LED
Research Notes
1. What this is
2TLA050220R0222 is a ABB Jokab safety device.
2. Part-number decode
- Series: ABB 2TLA (Jokab safety)
- Type: safety device
3. Compatibility & ordering
ABB makes Modular (MP metal / CP plastic) 22mm command switches, CE compact switches, KP mushroom operators, and Jokab (2TLA) safety products. Match by type, actuation, illumination, sealing, and mounting, then use the manufacturer datasheet to confirm the exact contact and termination encoded in the part number.
4. Data-quality note
The ABB product line/type is identified; the detailed configuration is left to the datasheet rather than guessed. Flagged decoded-partial.
5. Sources
- ABB product catalog (abb.com)
- Distributor listing (DigiKey / Mouser) — search the exact part number
1 source
- ABB — 2TLA050220R0222 — abb.com
规格参数
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Device class
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safety device
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Enriched by
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abb-decoder-2026-08-12
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Lead time
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0 Days
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Manufacturer series
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2TLA (Jokab safety)
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Mouser part number
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894-2TLA050220R0222
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Pn status
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decoded-partial
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Rohs status
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Series description
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ABB Jokab safety product (2TLA material number — e-stop, safety relay, or safety switch). The 2TLA number is a catalog reference; exact device per ABB datasheet
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安装快速参考
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.
尺寸
故障排除
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.
快速规格
- Device class
- safety device
- Enriched by
- abb-decoder-2026-08-12
- Lead time
- 0 Days
- Manufacturer series
- 2TLA (Jokab safety)
- Mouser part number
- 894-2TLA050220R0222
