KezdőlapProductsSafety relays, control systems and filter moduleSafety relay ESMESM-BT401

ESM-BT401 (Rend. sz. 090818)

Safety relay ESM-BT.., 4 safety contacts, time-delay, cat. 4

  • Use up to category 4 according to EN ISO 13849-1
  • LED status indicators
  • 1-channel or 2-channel control
  • 4 redundant safety contacts of which 3 contacts time-delayed
  • Delay time range 1 s–30 s
  • Short circuit and earth fault/ground fault monitoring
ESM-BT401 (Rend. sz. 090818)

Ismertetés

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, a start button or a monitored start button
  • Monitoring of downstream relays or contactors.
  • Simultaneity monitoring to monitor safety components over time
  • Relay start using a monitored start button
  • Short circuit monitoring to detect short circuits between the connecting cables and to shut down the outputs or prevent relay starting if necessary
  • Earth fault/ground fault monitoring to detect short circuits between the connecting cables and earth or ground and to shut down the outputs or prevent relay starting if necessary.

Time-delayed shutdown

The release time for the time-delay contacts can be set as required using a potentiometer on the safety relay.

Dimension drawing
Dimension drawing
Wiring diagram
Wiring diagram

Dimensional drawings

Dimensional drawings

Connection examples

Connection examples

Műszaki adatok

Approvals

EAC_RU C-DE.MO05.B.00971/20c_UL_us_E155795_4/1CCC2024010305659956_ESM

Operating and display elements

LED display 4 status displays (green) for relays K1, K2, K3, K4

Electrical connection values

Drop-out delay at 24 V AC/ DC max. 20 ms Emergency stop
Power consumption
at 24 V DC 4.7 W
Power consumption (apparent power)
at 24 V AC 5.3 VA
Connection cross section 0.14 ... 2.5 mm² (Connection terminals (size))
Rated insulation voltage Ui 250 V
Rated supply frequency 50 ... 60 Hz
Rated impulse voltage Uimp 4 kV
Operating voltage
AC/DC 24 V -10% ... +10% (All the electrical connections must either be isolated from the mains supply by a safety transformer according to EN 61558-2-6 with limited output voltage in the event of a fault, or by other equivalent insulation measures.)
Test voltage
Control system/contacts 2.5 kV
Control voltage
on S11 18.6 ... 26 V
Control current 190 mA
Reverse polarity protection
On version UB = 24 V DC Yes
Degree of contamination (external, according to EN 60947-1) 2

Mechanical values and environment

Connection type Connection terminals
Storage temperature -25 ... 70 °C
Control cable length
with conductor cross-section 0.75 mm2 1000 m
Mechanical life
operating cycles 10 x 10⁶
Mounting type Mounting rail TH 35 (EN IEC 60715)
Degree of protection IP20
Ambient temperature -15 ... 40 °C
Material
Housing Polyamide PA6.6
Contact AgSnO2

Characteristic values according to EN ISO 13849-1 and EN IEC 62061

Number of switching cycles
≤ 1 A at 24 V DC max. 350000 1/y
≤ 2 A at 24 V DC max. 100000 1/y
≤ 0.1 A at 24 V DC max. 500000 1/y
Mission time 20 y (This value is dependent on the number of switching cycles and the switching current.)

Miscellaneous

in compliance with EN ISO 13849-1: 2015; EN 62061: 2005 + AC 2010 + A1: 2013 + A2: 2015; EN50581: 2012 (RoHS)

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Rendelési adatok

Rend. sz. 090818
Cikk neve ESM-BT401
Súly 0,254kg
Vámtarifaszám 85364110
ECLASS 27-37-18-19 Device for monitoring of safety-related circuits