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ESM-BT411-20S (Order no. 090077)

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 2 contacts time-delayed
  • Time delay 2 s
  • Short circuit and earth fault/ground fault monitoring
ESM-BT411-20S (Order no. 090077)

Description

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

Time delay 5 s

Dimension drawing
Dimension drawing
Wiring diagram
Wiring diagram

Dimensional drawings

Dimensional drawings

Connection examples

Connection examples

Technical data

Approvals

Zulassung EACZulassung TÜV Rheinland, BMPB mit ZG: Product Safety, Functional SafetyZulassung c_UL_us LISTED

Mechanical values and environment

Housing material
Housing Polyamide PA6.6
Weight
Net 0,25 kg
Ambient temperature -15 ... 40 °C
Degree of protection IP20
Mechanical life
operating cycles 10 x 106
Contact material AgSnO2
Mounting method Mounting rail 35mm according to DIN EN 60715 TH35
Connection Connection terminals
Length of control cable
With conductor cross-section 0.75mm2 1000 m
Safety contacts 13/14, 23/24, 37/38, 47/48
Number of safety contacts 4

Electrical connection ratings

Drop-out delay at 24V AC/DC max.20 ms Emergency stop
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 isolation measures.)
Power consumption (apparent power)
At 24V AC 5,3 VA
Rated insulation voltage Ui 250 V
Rated impulse withstand voltage Uimp
Leakage path/air gaps 4 kV
Overvoltage category according to IEC EN 60664-1 3
Reverse polarity protection
On version UB =24V DC
Rated supply frequency 50 ... 60 Hz
Connection rating
at 24V DC 4,7 W
Degree of contamination (external, according to EN 60947-1) 2
Connection cross-section 0,14 ... 2,5 mm² (Connection terminal (size))
Test voltage
Control system/contacts 2,5 kV
Control voltage
On S11 24 V 18,6 ... 26 V Start button
Control current 190 mA
LED indicator 4 status displays (green) for relays K1, K2, K3, K4
Safety contacts 13/14, 23/24, 37/38, 47/48
Type of output
NO Relay contacts positively driven (redundant) (Positively driven relay according to EN 50205)
Switching voltage
AC max.250 V
DC max.24 V
Switching current min.5 mA at 24V
Cumulative current max.15 A For 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.)
Fusing
External contact fuses (safety circuit) according to IEC 60269-1 10A gG
Utilization category acc. to EN 60947-5-1
AC-15 3A, 250V
DC-13 3A, 24V
AC-12 8A ohmic load, 250V (6 operating cycles/min.)
DC-12 8A ohm resistive load, 40V (6 operating cycles/min.)
Switching characteristics 2 safety contacts non-delayed, 2 safety contacts time-delayed (Contact switching behavior: n.d.: non-delayed d.: delayed)
Delay time
Fixed 2 s

Other

In compliance with EN 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

Switching contacts time-delay
Category 3 (This value is dependent on the number of switching cycles and the switching current.)
Performance Level PL e (This value is dependent on the number of switching cycles and the switching current.)
PFHD 8.84 x 10-8 (This value is dependent on the number of switching cycles and the switching current.)
Switching contacts non-time-delay
Category 4 (This value is dependent on the number of switching cycles and the switching current.)
Performance Level PL e (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.)
Number of switching cycles
≤ 0.1 A at 24 V DC max.500000 1/Jahr
≤ 1 A at 24 V DC max.350000 1/Jahr
≤ 2 A at 24 V DC max.100000 1/Jahr
Mission time 20 y (This value is dependent on the number of switching cycles and the switching current.)

Downloads

Complete package

Download all important documents with a single click.

Content:

  • The operating instructions and any additions to the operating instructions or brief instructions
  • Any data sheets to supplement the operating instructions
  • The declaration of conformity
Download Complete Package (ZIP, 2,7 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 090077
Item designation ESM-BT411-20S
Gross weight 0,255kg
Customs tariff number 85364110
ECLASS 27-37-18-19 Device for monitoring of safety-related circuits