Cut Sheet

V8-T3-42 Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com
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3.5
Inductive Proximity Sensors
E57 Two-Wire (AC, AC/DC, DC) Proximity Sensors
Nickel-Brass Body
Description Two-Wire AC Sensors Two-Wire DC Sensors
Operating voltage 20–250 Vac 10–30 Vdc
OFF-state leakage <1.8 mA <0.8 mA
Maximum load current 200 mA 100 mA
Minimum load current 5 mA 3 mA
Surge current 5 A (20 ms) —
Voltage drop <8 Vac at 400 mA <6 V
Switching frequency
8 mm diameter — —
12 mm diameter 25 Hz 1 kHz (shielded); 1 kHz (unshielded)
18 mm diameter 25 Hz 1 kHz (shielded); 500 Hz (unshielded)
30 mm diameter 25 Hz 500 Hz (shielded); 200 Hz (unshielded)
Short-circuit protection No Yes
Overload trip point — >120 mA
Time delay before availability — —
Transient protection — 2 kV, 1 ms, 1 kohm
Repeat accuracy Shielded: <1.0%/Unshielded: <3.0% (Sr) <2.0% (Sr)
Switching hysteresis <15% <15%
Operating temperature –13 to 158 °F (–25 to 70 °C)
(32 to 140 °F [0 to 60 °C]
for all extended range models)
–13 to 158 °F (–25 to 70 °C)
(32 to 140 °F [0 to 60 °C]
for all extended range models)
Temperature drift <10% (Sr) <10% (Sr)
Protection IP67, IP69K IP67, IP69K
Housing material Nickel plated brass (stainless steel for
8 mm diameter, nano-connector models)
Nickel plated brass (stainless steel for
8 mm diameter, nano-connector models)
Cable PVC jacket, 2-meter length PVC jacket, 2-meter length