The bi-stable memory relay type 8587 functions as a memory relay for capturing transient switching states or events. Technical Data Dimensions W/H/D = 60/70/110 mm Housing Polystyrol Mounting 2 bores per DIN 43604 or standard   support rails per DIN EN 50022 Protection class Housing: IP 30; Terminals: IP 20 Ambient temperature -20°C to +70°C Supply voltage AC 230 V, 115 V, 24 V   DC 24 V Current consumption approx. 1.5 VA Control circuit   No-load voltage ? 10 V DC Short-circuit current ? 1.4 mA Switch point approx. 0.6 mA Output 1 change-over contact (potential-   free)   Voltage             Current   AC 250 V            4.0 A   DC 110 V            0.5 A Switch state indication LED Relay function “bi- switch position remains in place even stable” during power failure Trigger behavior “dy- minimum impulse duration 50 ms namic“   Accessories Actuation module type 908101,   order no. 320101 Ordering Information Type 8587 Order No. 320100