
Operating Instructions Precision Single Limit Switches N1A
Technical data
Parameters Value
Housing material Die-cast aluminum, anodized
Plunger material Stainless steel
Degree of protection
acc. to IEC 60529
IP 67
Mechanical operating cycles ES502E / ES508E 30x10
6
ES514 1x10
6
ES588 1x10
6
Switching frequency ES502E 300 min
-1
ES508E / ES514 50 min
-1
ES588 20 min
-1
Ambient temperature ES502E -5 ... + 80 °C
ES508E / ES514 -25 ... + 80 °C
ES588 -25 ... + 70 °C
Installation position Any
Approach speed, max.
Plunger Chisel D 40 m/min
Roller R (slide bearing) 80 m/min
Roller B (ball bearing) 120 m/min
Dome W/ball K 10 m/min
Extended roller 20 m/min
Approach speed, min. 0.01 m/min
Actuating force ES502E ≥ 20 N
with switching element ES508E ≥ 15 N
ES514 ≥ 30 N
2 x ES588 ≥ 20 N
Switching element
ES502E 1 NO + 1 NC
ES508E 1 positively driven contact
ES514 1 NO + 1 positively driven
contact
ES588 1 positively driven contact
Switching principle
ES502E / ES514 Snap-action switching contact
ES508E / ES588 Slow-action switching contact
Hysteresis ES502E 0.8 mm
ES514 0.6 mm
Contact material
ES502E / ES508E / ES514 Silver alloy, gold flashed
ES588 Fine silver
Connection type
N1A...M Screw terminals
N1A...SVM5... Plug connector M12
Conductor cross-section 0.34 ... 1.5 mm
2
Rated insulation voltage
with cable entry Ui = 250 V
with plug connector Ui = 50 V
Rated impulse withstand voltage
with cable entry
ES502E/ES508E/ES514 Uimp = 4 kV
ES588 Uimp = 2.5 kV
with plug connector Uimp = 2.5 kV
Utilization category switching element according to IEC 60947-5-1
ES502E AC-12 250 V 10 A
ES502E / ES508E AC-15 230 V 6 A
DC-13 24 V 6 A
ES514 AC-15 230 V 2.5 A
DC-13 24 V 6 A
ES588 AC-15 230 V 4 A
DC-13 24 V 3 A
Switching current,
min., at 24 V DC ES514 5 mA
ES508E 10 mA
at DC 12 V ES502E 10 mA
at DC 5 V ES588 1 mA
Conv. thermal current I
th
10 A
Short circuit protection according to ES502E/ES508E/
IEC 60269-1 (control circuit fuse) ES588 10 A gG
ES514 6 A gG
Rated short-circuit current 100 A
Indicator LED LE060 AC/DC 12 - 60 V
(only with ES502E / ES508E) LE110 AC 110 V ±15%
LE220 AC 220 V ± 15%
Reliability figures according to EN ISO 13849-1
for switching elements ES508E
ES588 ES514
B
10d
2 x 10
7
2 x 10
6
Figure 6: Dimension drawing N1A... with plug connector M12
35
33
20
M12x1
Figure 8: Connector assignment plug connector M12
1 2
4 3
5
2
1
3
4
5
21
13
22
14
쵰
2
1
3
4
5
21
13
22
14
쵰
2
1
3
4
5
21
13
22
14
쵰
N1A.502SVM5-M
N1A.SVM5-MC1883
N1A.514SVM5-M
Pin layout plug connector SVM5
(view on switch)
Figure 7: Plungers and approach directions
DR BWK* RL
Chisel Roller Roller Dome Ball Extended roller
Slide bearing Ball bearing
(* only with switching element ES502E)
Preferred approach directions
120°
-5°
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