EUCHNER ESM-BT411-20S Safety Relay with Fixed 2 s Time Delay
The EUCHNER ESM-BT411-20S (order no. 090077) is the fixed-delay version of the ESM-BT411. Its two time-delayed contacts open after a factory-set 2 seconds, with no potentiometer. Because the delay cannot be changed on site, it can’t be tampered with or set wrong by mistake. That makes it a good fit for OEM machines where the run-down time is set at the design stage. It runs on 24 V AC/DC and reaches PL e to EN ISO 13849-1.
2 Instantaneous + 2 Delayed Contacts
It has four redundant safety contacts. Two open immediately and are rated Category 4 / PL e (PFHd 4.22 x 10⁻⁸). The other two open after the fixed 2 s delay and are rated Category 3 / PL e (PFHd 8.84 x 10⁻⁸).
Response and Capacity
The response delay is max. 20 ms, and the cumulative current is max. 15 A across all contacts.
ESM-BT411-20S Technical Data
| Specification | Value |
|---|---|
| Order number | 090077 |
| Safety contacts | 4 (2 non-delayed, 2 delayed) |
| Delay time | 2 s, fixed |
| Cumulative current | Max. 15 A |
| Safety rating | PL e (Cat. 4 non-delayed / Cat. 3 delayed) |
| Operating voltage | 24 V AC/DC ±10% |
| Mounting | 35 mm DIN rail (EN IEC 60715) |
| Degree of protection | IP20 |
| Gross weight | 0.255 kg |
| Approvals | TÜV Rheinland, cULus, UKCA |
Buy the EUCHNER ESM-BT411-20S from Atlantech Drives
Atlantech Drives supplies the ESM-BT411-20S worldwide. Our sales team can confirm availability, lead time and pricing for your order. Request a quote today for fast international shipping.
Product status: Active, listed as a current product by EUCHNER.
Suggested Internal Linking
- Adjustable-delay version: ESM-BT411 (090819)
- Other BT modules: ESM-BT401 (090818), ESM-BT421 (090820), ESM-BT421-50S (090094)
- Non-delayed basic modules: ESM-BA301 (085613), ESM-BA701 (097224)
