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Operating Instructions
Safety Relay ESM-BT4..
Technical data
Parameter
Operating voltage
Rated supply frequency
Permissible deviation
Power consumption
Control voltage at S11
Control current
Response delay after actuation of the
buttons
Safety contacts
Max. switching voltage
Safety contact breaking capacity
(13-14, 23-24, 33-34, 47-48)
Max. cumulative current of all safety
contacts
Time delay
- ESM-BT4..
- ESM-BT4..-20S
- ESM-BT4..-50S
Minimum contact load
Contact fuses
Conductor cross-section
Tightening torque (min./max.)
Typ. switch-on delay/switch-off delay for
the normally open contacts upon demand
from the safety circuit
Max. length of control line
Contact material
Mech. contact life
Test voltage
Rated impulse withstand voltage, leakage
paths/air gaps
Rated insulation voltage
Degree of protection
Temperature range
Installation altitude
Degree of contamination
Overvoltage category
Weight
Mounting
Characteristics according to EN ISO 13849-1 for all variants of the series ESM-BT4
Load (DC-13; 24 V)
n
op
T
10D
Category
- Safety contacts time-delayed
- Safety contacts non-time-delayed
PL
PFH
D
- Safety contacts time-delayed
- Safety contacts non-time-delayed
1) If several ESM-BT4.. are closely spaced under load, the max. cumulative current is 9 A at an ambient temperature of T = 20 °C, 3 A
at T = 30 °C and 1 A at T = 40 °C. If these currents are exceeded, a spacing of 5 mm between the devices must be observed.
2) Additional data can be requested from the manufacturer for applications that deviate from these conditions.
Fixed terminals
Fig. 4: Dimension drawing for ESM-BT4..
Value
AC/DC 24 V
50 - 60 Hz
± 10%
DC 24 V
Approx. 4.7 W
DC 24 V
Approx. 190 mA
< 20 ms
4 NO contacts
(3 non-time-delayed / 1 time-delayed, 2 non-time-delayed/ 2 time-delayed, 1 non-time-
delayed / 3 time-delayed)
AC 250 V
AC: 250 V, 2,000 VA, 8 A for ohm resistive load (6 operating cycles/min)
250 V, 3 A for AC-15
DC: 40 V, 320 W, 8 A for ohm resistive load (6 operating cycles/min)
24 V, 3 A, for DC-13
15 A
1 ... 30 s
2 s fixed
5 s fixed
5 V, 10 mA
10 A gG
0.14 - 2.5 mm²
0.5 Nm/0.6 Nm
< 30 ms/< 30 ms
1,000 m with 0.75 mm²
AgSnO
Approx. 1 x 10
2.5 kV (control voltage/contacts)
4 kV (DIN VDE 0110-1)
250 V
IP20
-15 °C to +40 °C
≤ 2000 m (above sea level)
2 (DIN VDE 0110-1)
3 (DIN VDE 0110-1)
Approx. 250 g
Mounting rail according to DIN EN 60715 TH35
≤ 0.1 A
≤ 1 A
≤ 500,000 cycles
≤ 350,000 cycles
20 years
3
4
e
8.84 x 10
4.22 x 10
Plug-in terminals
AC 24 V
Approx. 5.3 VA
1)
2
7
1)
2)
≤ 2 A
≤ 100,000 cycles
1/h
-8
1/h
-8
7
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