KezdőlapProductsSafety relays, control systems and filter moduleSafety relay ESMESM-BA303

ESM-BA303 (Rend. sz. 087413)

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Basic device ESM-BA3.., 3 safety contacts, 1 auxiliary contact, cat. 4

ESM-BA.. Use up to category 4 according to EN ISO 13849-1
LED status indicators
1-channel or 2-channel control
3 redundant safety contacts
1 auxiliary contact (monitoring contact)
Short circuit and earth fault/ground fault monitoring

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 or a 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.

Auxiliary contacts

The relays in the series ESM-BA3.. are available with electrically separate normally closed contacts and auxiliary contacts.

Dimensional drawings

Connection examples

Műszaki adatok

Engedélyezések

Zulassung TÜV Rheinland, BMPB mit ZG: Product Safety, Functional Safety

Mechanikai értékek és környezet

Housing material
Housing	Polyamide PA6.6
Weight
Net	0,23 kg
Ambient temperature	-15 ... 40 °C (If several ESM-BA3.. devices are closely spaced under load, the max. cumulative current at the ambient temperature of T=20°C is 9A; at T=30°C is 3A; at T=40°C is 1A. If these currents are exceeded, a spacing of 5mm between the devices must be observed.)
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, 33/34
Number of safety contacts	3
	Auxiliary contacts 41/42
Number of auxiliary contacts	1

Elektromos csatlakoztatási értékek

Operating voltage
AC	230 V -10% ... +10%
Power consumption (apparent power)
At 230 V AC	6,9 VA
Rated insulation voltage U_i	250 V
Rated impulse withstand voltage U_imp
Leakage path/air gaps	4 kV
Overvoltage category according to IEC EN 60664-1	3
Rated supply frequency	50 ... 60 Hz
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
S11...S14	60 mA
LED indicator	2 status displays (green) for relays K1 and K2
	Auxiliary contacts 41/42
Type of output
NC	Relay contacts, floating
Utilization category acc. to EN 60947-5-1
AC-12	2A ohmic load, 250V
DC-12	2 A ohm resistive load, 40V
Breaking capacity (VA)	max.500 VA
Breaking capacity according to UL	2A 250V AC / 2A 24V DC per contact
	Safety contacts 13/14, 23/24, 33/34
Type of output
NO	Relay contacts, floating and positively driven (redundant) (Positively driven relay according to EN 50205)
Switching voltage
DC	max.24 V
AC	max.250 V
Switching current	min.5 mA at 24V
Cumulative current	max.15 A For all contacts (If several ESM-BA3.. devices are closely spaced under load, the max. cumulative current at the ambient temperature of T=20°C is 9A; at T=30°C is 3A; at T=40°C is 1A. If these currents are exceeded, a spacing of 5mm 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.)
Breaking capacity according to UL	8A 250V AC / 3A 24V DC per contact

Egyebek

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

In compliance with

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

Megbízhatósági értékek az EN ISO 13849-1 szerint

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.)
PFH_D	1.2 x 10^-8 (This value is dependent on the number of switching cycles and the switching current.)
Number of switching cycles
≤ 2 A at 24 V DC	max.100000 1/Jahr
≤ 0.1 A at 24 V DC	max.500000 1/Jahr
≤ 1 A at 24 V DC	max.350000 1/Jahr
Mission time	20 y (This value is dependent on the number of switching cycles and the switching current.)

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