E57-SD-Series

Small Diameter Inductive Proximity Sensors, range from 0.8 to 3 mm

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Models In Stock

Small 5 and 8 mm Diameters for Use in Applications with Limited Space for Mounting Sensors
Stainless Steel or Ni-Brass Housings
All Models Include an LED Indicator to Show Output Status
Short Circuit and Reverse Polarity Protection

See Product Overview

E57-SD-Series

From ^$ 149.16

Models In Stock

Shop Models

14 Variations available

See all series options below

Data Sheet

Product Overview

Accuracy Detail < 1% Sensing Distance
Cable Material PVC
Drop 1.5 V
Enclosure Ratings IP67, NEMA 4, NEMA 6P, NEMA Type 12, NEMA Type 13, NEMA Type 4X, NEMA Type 6
Housing Material Stainless Steel, Brass
Hysteresis < 15% Sensing Distance
Leakage Current 0.01 mA
Length 25 mm
Current, Max Note Load Current, Max: 200 mA,Burden Current, Max: 10 mA
Operating Temperature, Max 70 °C
Operating Temperature, Min -25 °C
Protection Power on false pulse suppression, auto-reset short circuit
RF Frequency 2 kHz
Sensor Type 3-Wire, N.O. Output, NPN
Series ID E57-SD-Series
Supply Voltage 10 to 30 Vdc
Time Delay < 50 ms
Wire Gauge 22 AWG

Supported Applications

The E57 Series are small-diameter inductive proximity sensors designed for use in extremely tight spaces, with housing diameters of 5 mm and 8 mm. These 3-wire devices detect the presence of metal targets without contact, making them well suited to automation equipment, robotics, machine tools, counting, and sorting.

Every model includes an LED indicator for at-a-glance status, and the sensors are available in both shielded and unshielded versions to match flush or non-flush mounting. Housings are stainless steel or Ni plated brass in a threaded-barrel format, so they thread directly into fixtures and brackets. The series carries CE approval.

Operating Conditions & Performance

All E57 sensors operate from 10 to 30 Vdc and are offered with NO (NPN) or NO (PNP) outputs. Sensing ranges span 0.8 mm, 1 mm, 2 mm, and 3 mm (Extended Range) depending on model. Repeatability is <1% sensing distance, accuracy is <1% sensing distance, and hysteresis is <15% rated sensing distance. Response time is <50 mS.

The ambient operating temperature range is -25 to 70°C (-13 to 158°F), and the enclosure meets NEMA 4, 4X, 6, 6P, 12, and 13 (IP67). Sensors connect either as cable models or via a 4-pin micro DC connector.

Mechanically, the 5 mm housing has an M5 x 0.5 thread with SW8 nut width and an overall length of 25 mm. The 8 mm housing uses an M8 x 1 thread with SW13 nut width; the cable version is 30 mm long, while the micro-connector version is 50 mm long.

Configuration Options

Variants differ along four axes encoded in the part number: housing diameter, sensing range, output polarity, and connection type. The 5 mm stainless-steel models (E57EAL5T110SP and E57EAL5T111SP) provide end sensing at a 0.8 mm range, in shielded NPN or shielded PNP respectively, both with a 2 m cable.

The 8 mm Ni-Brass models step the sensing range by build code: GS01 gives a 1 mm range, GU02 a 2 mm range, and GE03 a 3 mm Extended Range. Within each, the trailing suffix sets output and connection — -C is shielded NPN on a 2 m cable, -CDB is shielded NPN on the 4-pin micro DC connector, -G is shielded PNP on a 2 m cable, and -GDB is shielded PNP on the micro connector.

Key Product Differences

E57EAL5T110SP — 5 mm dia., 0.8 mm range, Shielded NPN, 2 m cable.
E57EAL5T111SP — 5 mm dia., 0.8 mm range, Shielded PNP, 2 m cable.
E57-08GS01-C / E57-08GS01-CDB — 8 mm dia., 1 mm range, Shielded NPN (cable / micro connector).
E57-08GS01-G / E57-08GS01-GDB — 8 mm dia., 1 mm range, Shielded PNP (cable / micro connector).
E57-08GU02-C / E57-08GU02-CDB — 8 mm dia., 2 mm range, Shielded NPN (cable / micro connector).
E57-08GU02-G / E57-08GU02-GDB — 8 mm dia., 2 mm range, Shielded PNP (cable / micro connector).
E57-08GE03-C / E57-08GE03-CDB — 8 mm dia., 3 mm Extended Range, Shielded NPN (cable / micro connector).
E57-08GE03-G / E57-08GE03-GDB — 8 mm dia., 3 mm Extended Range, Shielded PNP (cable / micro connector).