ESM-ES301 (Sip. No. 085614)

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Contact expansion ESM-ES.., 3 safety contacts, 1 auxiliary contact, cat. 4

The outputs are electrically decoupled and of redundant design.

By using suitable wiring the following function can be selected:

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.

Housing material
Housing	Polyamide PA6.6
Weight
Net	0,23 kg
Ambient temperature
At U_B = 24V AC	-15 ... 40 °C
At U_B = 24V DC	-15 ... 60 °C
Degree of protection	IP20
Mechanical life
operating cycles	10 x 10⁶
Contact material	AgNi-10
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 S23/S24
Number of auxiliary contacts	1

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.)
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
Reverse polarity protection
On version U_B =24V DC
Connection rating
at 24V DC	1,2 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
Control current
S11...S14	40 mA
LED indicator	2 status displays (green) for relays K1 and K2
	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
AC	max.250 V
DC	max.24 V
Switching current	min.20 mA at 24V
Cumulative current	max.10,5 A For all contacts (Also applies for UL)
Fusing
External contact fuses (safety circuit) according to IEC 60269-1	10A gG
Utilization category acc. to EN 60947-5-1
AC-15	4A, 250V
DC-13	2A, 24V
AC-12	6A ohmic load, 250V
DC-12	1.25A ohmic load, 24V
Breaking capacity according to UL	6A 250V AC / 2A 24V DC per contact
	Auxiliary contacts S23/S24
Type of output
NC	As monitoring contact for safety relay

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)

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
≤ 1 A at 24 V DC	max.73000 1/Jahr
≤ 2 A at 24 V DC	max.17000 1/Jahr
≤ 0.1 A at 24 V DC	max.400000 1/Jahr
Mission time	20 y (This value is dependent on the number of switching cycles and the switching current.)

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