E3A2
E3A2
AC/DC Supply with Timer Models
Slim Sensor with Plug-in Outputs,
Built-in Time Delays
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Plug-in replaceable outputs
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Light-ON/Dark-ON operation, switch
E3A2
selectable
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Optional solid-state outputs
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Polarized diffuse and through-beam
models
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Timer models provide
selectable ON-delay, OFF-delay
and one-shot outputs
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Standard with 3 A relay output
Ordering Information
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SENSORS
Method of detection
Sensing distance
Part number
Without timer
ON-delay, OFF-delay, one-shot
equal ON- and OFF-delays
(0.1 to 5 seconds)
Independent ON-delays and
OFF-delays (0.1 to 5 seconds)
Through-beam
10 m (32.8 ft)
E3A2-10M4
E3A2-10M4T
Retroreflective
3 m (9.8 ft)
E3A2-R3M4
E3A2-R3M4T
Diffuse reflective
70 cm (27.6 in)
E3A2-DS70M4
E3A2-DS70M4T
E3A2-10M4D
E3A2-R3M4D
E3A2-DS70M4D
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ACCESSORIES
Description
Solid-state
output
modules
AC (SCR) output module; 200 mA, 250 VAC max. load
DC NPN output module; 200 mA, 30 VDC max. load, dual complementary
DC PNP output module; 200 mA, 30 VDC max. load, dual complementary
Part number
G3K-2R2P-1
G3KD-YR2P-1
G3KD-YR2P-2
E39-L7
Reflector adapter for stud-mounting E39-R1 reflector
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REPLACEMENT PARTS
Description
Relay output module, SPDT, 3 A at 250 VAC (output supplied with each sensor)
Reflector (supplied with retroreflective sensor)
Mounting bracket (supplied with each sensor)
Part number
G6C-2117P-DC8
E39-R1
E39-L34
2
E3A2
E3A2
Specifications
Part number
Method of detection
Supply voltage
Power
consumption
Relay output type
DC solid-state output type
AC solid-state output type
Sensing distance
E3A2-10s
s s
Through-beam
Emitter: 0.82 W max.
Receiver: 1.2 W max.
Emitter: 0.82 VA max.
Receiver: 1.2 VA max.
10 m (32.8 ft)
E3A2-R3s
s s
Retroreflective
1.5 W max.
2 VA max.
3 m (9.8 ft)
with E39-R1 reflector
(included)
Pulse modulated red
LED, polarized (680 nm)
Opaque and mirror
surface materials, 56 mm
(2.20 in) min. dimension
Adjustable
Provided
70 cm (27.6 in) with
10 x 10 cm (3.94 x 3.94 in)
90% reflectance white
mat paper
Pulse modulated
infrared LED (950 nm)
Opaque and
translucent materials
E3A2-DS70s
s s
Diffuse reflective
24 to 240 VAC, 50/60 Hz; 12 to 240 VDC
Light source
Detectable object type
Pulse modulated
infrared LED (950 nm)
Opaque materials,
26 mm (1.02 in)
minimum dimension
Fixed
Not provided
Type
Max. load
Type
Max. load
Min. load
Max. inrush
Off-state leakage current
Operation mode
Sensitivity
Mutual interference protection
Control
output
Relay
AC
solid-
state
Light-ON/Dark-ON, switch selectable
SPDT with G6C-2117P-DC8 output module (standard)
3 A, 250 VAC (p.f. = 1); 3 A, 30 VDC
SCR with G3K-2R2P-1 output module (optional)
200 mA, 250 VAC
5 mA
2A
1 mA max.
NPN-SPDT with G3KD-YR2P-1 output module (optional)
PNP-SPDT with G3KD-YR2P-2 output module (optional)
200 mA, 30 VDC
2 VDC at 200 mA
15 ms max. with G6C-2117P-DC8 output module (standard)
30 ms max. with G3KD-2R2P-1 output module (optional)
1 ms max. with G3KD-YR2P-1 or -2 output modules (optional)
Normal, ON-delay, OFF-delay, one-shot or equal ON- and OFF-delays,
switch selectable
Independent ON- and OFF-delays
0.1 to 5 seconds
Provided (AC solid-state and DC solid-state output modules only)
Provided
Emitter:
Power On (red LED)
Receiver: Light Incident
(red LED) and output sta-
bility (green LED); Output
Operation (yellow LED) on
timer-equipped models
Light Incident (red LED) and Output Stability
(green LED);
Output Operation (yellow LED) on timer-equipped
models
DC
solid-
state
Type
Max. load
Max. on-state voltage drop
Relay
AC solid-state output
DC solid-state
Type E3A2-s
s sT
Type E3A2-s
s sD
Range
Response
time (ON
and OFF)
Timing
functions
Circuit protection
Output short-circuit
DC power supply reverse
polarity
Indicators
Materials
Mounting
Connections
Weight
Lens
Case
Conduit
Wire
Plastic
Plastic
Side surface mount with two through holes; E39-L34 bracket and hardware included
1/2-14 NPT
Terminal screws
Emitter: 200 g (7.1 oz)
Receiver: 200 g (7.1 oz)
200 g (7.1 oz)
(Table continues on the next page)
3
E3A2
Specifications Table - continued from previous page
Part number
Enclosure ratings
Approvals
Ambient
temperature
NEMA
IEC 144
UL
Operating
Storage
E3A2-10s
s s
1, 4, 4X, 12
IP66
Listed, File Number E41515
-25° to 55°C (-13° to 131°F)
-30° to 70°C (-22° to 159°F)
E3A2-R3s
s s
E3A2-DS70s
s s
E3A2
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CONNECTIONS
Through-Beam Type
24 to 240 VAC
12 to 240 VDC
Light Source
Receiver
Retroreflective and Diffuse Reflective Types
See Output
Circuit Diagrams
24 to 240 VAC
12 to 240 VDC
See Output
Circuit Diagrams
24 to 240 VAC
12 to 240 VDC
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OUTPUT CIRCUIT DIAGRAMS
Relay output
AC solid-state output
DC solid-state PNP output
DC solid-state NPN output
4
E3A2
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TIMING CHART
NOTE:
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1. For sensors without built-in timer
functions, operation follows the
NORM mode shown with multi-
function time delay models.
2. T
1
, T
2
and T denote set time, variable
within 0.1 to 5 second range.
3. For multifunction time delay models
(part numbers ending in “T”), the ON-
and OFF-delay time settings will be
the same.
4. For ON- and OFF-delay models (part
numbers ending in “D”), T
1
and T
2
are
independently variable.
5. O.S.D.: one shot delay
5
E3A2
E3A2
Engineering Data
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EXCESS GAIN RATIO
Through-Beam Type
Retroreflective Type
Diffuse Reflective Type
Excess gain ratio
Excess gain ratio
Distance [m (ft)]
Distance [m (ft)]
Excess gain ratio
Distance [cm (in)]
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LIGHT SOURCE/RECEIVER
SETTING RANGE
Through-Beam Type
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REFLECTOR SETTING RANGE
Retroreflective Type
Distance X [m (ft)]
Distance Y [mm (in)]
Distance Y [cm (in)]
Distance X [m (ft)]
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OPERATING RANGE
Diffuse Reflective Type
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DETECTING DISTANCE VS. MINIMUM
TARGET SIZE (AT MAXIMUM SENSITIVITY)
Diffuse Reflective Type
Detecting distance [cm (in)]
Distance Y [mm (in)]
Distance X [cm (in)]
Area of detectable object [cm
2
(in
2
)]
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