
Euchner 090820E | ESM-BT421 : Safety Relay
The ESM-BT421 is an advanced safety relay designed to enhance safety measures in industrial applications.
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Attribute | Value |
---|---|
Rated insulation voltage Ui: | 250 V |
Switching current: | min.5 mAat 24V |
Degree of protection: | IP20 |
Ambient temperature: | -15 … 40 °C |
Item designation: | ESM-BT421 |
Gross weight: | 0,253kg |
ECLASS: | 27-37-18-19 Device for monitoring of safety-related circuits |
Degree of contamination (external, according to EN 60947-1): | 2 |
Contact material: | AgSnO2 |
Mounting method: | Mounting rail 35mm according to DIN EN 60715 TH35 |
Connection: | Connection terminals |
Number of safety contacts: | 4 |
Overvoltage category according to IEC EN 60664-1: | 3 |
Connection Cross-section: | 0,14 … 2,5 mm²(Connection terminal (size)) |
Control Current: | 190 mA |
LED Indicator: | 4 status displays (green) for relays K1, K2, K3, K4 |
Breaking capacity according to UL: | 8A 250V AC / 3A 24V DC per contact |
In compliance with: | EN ISO 13849-1 2015; EN 62061 2005 + AC 2010 + A1 2013 + A2 2015; EN 50581 2012 (RoHS) |
Performance Level: | PL e(This value is dependent on the number of switching cycles and the switching current.) |
Category: | 4(This value is dependent on the number of switching cycles and the switching current.) |
PFHD: | 4.22 x 10-8(This value is dependent on the number of switching cycles and the switching current.) |
Mission time: | 20 y(This value is dependent on the number of switching cycles and the switching current.) |
Switching characteristics: | 3 safety contacts non-delayed, 1 safety contact time-delayed(Contact switching behavior n.d. non-delayed d. delayed) |
Drop-out delay at 24V AC: | max.20 msEmergency stop |
Drop-out delay at 24V DC: | max.30 msEmergency stop |
Rated Supply Frequency: | 50 … 60 Hz |
Cumulative current: | max.15 AFor all contacts(Cumulative current at an ambient temperature of T= 20° C 9A ;T= 30° C 3A ; T= 40° C 1A. If these currents are exceeded, a spacing of 5 mm between the devices must be observed.) |
Product Number | Variant Description |
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ESM-BT421 : Safety Relay | ESM-BT421-50S : Sicherheitsrelais |