We are EUCHNER ESM-BL201 product supplier in India

ORDER NO. 085607

Order number085607
Item designationESM-BL201
Gross weight0,187kg
Customs tariff number85364110

Basic device ESM-BL.., 2 safety contacts, cat. 3

  • Use up to category 3 according to EN ISO 13849-1
  • LED status indicators
  • 1-channel or 2-channel control
  • 2 redundant safety contacts

Relay outputs

The outputs are electrically decoupled and of redundant design.

Connection options

By using suitable wiring, the following functions can be selected:

  • Relay start with automatic start or a start button
  • Monitoring of downstream relays or contactors.

Mechanical values and environment

Housing material
HousingPolyamide PA6.6
Net0,23 kg
Ambient temperature
At UB = 24V DC-15 … 60 °C
At UB = 24V AC-15 … 40 °C
Degree of protectionIP20
Mechanical life
operating cycles10 x 106
Contact materialAgNi-10
Mounting methodMounting rail 35mm according to DIN EN 60715 TH35
ConnectionConnection terminals
Length of control cable
With conductor cross-section 0.75mm21000 m
Safety contacts 13/14, 23/24
Number of safety contacts2

Electrical connection ratings

Operating voltage
AC/DC24 V -10% … +10% 
Rated insulation voltage Ui250 V
Rated impulse withstand voltage Uimp
Leakage path/air gaps4 kV
Overvoltage category according to IEC EN 60664-13
Reverse polarity protection
On version UB =24V DC
Rated supply frequency50 … 60 Hz
Connection rating
at 24V DC1,2 W
Degree of contamination (external, according to EN 60947-1)2
Connection cross-section0,14 … 2,5 mm² 
Test voltage
Control system/contacts2,5 kV
Control voltage
On S1124 V 18,6 … 26 V Start button
Control current
S11…S1440 mA
LED indicator2 status displays (green) for relays K1 and K2
Safety contacts 13/14, 23/24
Type of output
NORelay contacts, floating and positively driven (redundant) 
Switching voltage
ACmax.250 V
DCmax.24 V
Switching currentmin.20 mA at 24V
External contact fuses (safety circuit) according to IEC 60269-110A gG
Utilization category acc. to EN 60947-5-1
AC-154A, 250V
DC-132A, 24V
AC-126A ohmic load, 250V
DC-121.25A ohmic load, 24V
Breaking capacity according to UL6A 250V AC / 2A 24V DC


In compliance withEN ISO 13849-1: 2015; EN 62061: 2005 + AC: 2010 + A1: 2013 + A2: 2015; EN 50581: 2012 (RoHS)

Reliability values according to EN ISO 13849-1

Performance LevelPL d 
PFHD1.03 x 10-7 
Number of switching cycles
≤ 0.1 A at 24 V DCmax.400000 1/Jahr
≤ 1 A at 24 V DCmax.73000 1/Jahr
≤ 2 A at 24 V DCmax.17000 1/Jahr
Mission time20 y 
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