Recycling (Flasher)
ERD3 Econo-Timer
Time Delay Relay
Description
Econo-Timers are a combination of digital electronics and a reliable electromechanical relay. DPDT relay
output for relay logic circuits, and isolation of input to output voltages. Cost effective for OEM applications such
as duty cycling, drying, washing, signaling, and flashing.
Operation
Upon application of input voltage, the output energizes
and the ON time begins. At the end of the ON time, the
output de-energizes and the OFF time begins. At the
end of the OFF time, the output energizes and the
cycle repeats as long as input voltage is applied. The
OFF time may be the first delay in some recycling
timers.
Reset:
Removing input voltage resets the output
and time delays, and returns the sequence to the first
delay.
Function
Recycling (ON First)
Knob, External Adjust or
Factory Fixed
Delays From 0.1 s ... 1000 m
+/-0.5% Repeat Accuracy
Encapsulated Digital Circuitry
10 A, Isolated, DPDT Output
Contacts
Approvals:
Recycling (OFF First)
Connection
V = Voltage
R = Reset TD = Time Delay
NO = Normally Open NC = Normally Closed
Accessories
B
A
External adjust
potentiometer
P/Ns:
P1004-16 (fig A)
P1004-16-X (fig B)
A knob, or terminals 9 & 10 are only included on
adjustable units. Relay contacts are isolated.
Dashed lines are internal connections.
R
T
is used when external adjustment is ordered.
Female quick
connect
P/N:
P1015-64
(AWG 14/16)
Ordering Table
Ordering Table
Quick connect to
screw adaptor
P/N: P1015-18
ERD3
Series
See accessory pages for
specifications.
5.172
Example P/N:
ERD3426A
Fixed –
ERD3410.1SA
*If Fixed Delay is selected,
0.1 1000]
insert delay [0.1
1000
followed
0.1...1000
by (S) sec. or (M) Min.
S
M
Low Voltage Products & Systems
ERD32B01
07.01.04
Versa-knob
P/N: P0700-7
X
Input
–1 - 12 V DC
1
–2 - 24 V AC
2
–3 - 24 V DC
3
4
–4 - 120 V AC
–5 - 120 V DC
5
–6 - 230 V AC
6
X
Adjustment
–1 - Fixed
1
–2 - Knob on
2
Unit
3
–3 - External
Adjust
X
Time Delay *
–1 - 0.1 ...
1s
1
–2 - 0.1 ...
5s
2
3
–3 - 0.1 ... 10 s
–4 - 0.2 ... 15 s
4
–5 - 0.3 ... 30 s
5
–6 - 0.6 ... 60 s
6
–7 - 0.1 ... 5 m
7
8
–8 - 0.1 ... 10 m
–9 - 0.2 ... 15 m
9
–10 - 1 ... 100 m
10
–11 - 10 ... 500 m
11
X
Operating Sequence
–A - ON Time First
A
–B - OFF Time First
B
Recycling (Flasher)
ERD3 Econo-Timer
Time Delay Relay
Technical Data
Time Delay
Type
Range
Adjustment
Repeat Accuracy
Tolerance (Factory Calibration)
Reset Time
Time Delay vs. Temperature & Voltage
Input
Voltage
Tolerance
12 V DC & 24 V DC/AC
120 V AC/DC & 230 V AC
Line Frequency
Output
Type
Form
Rating
Life
Protection
Isolation Voltage
Insulation Resistance
Polarity
Mechanical
Mounting
Termination
Operating/Storage Temperature
Weight
Digital integrated circuitry
100 ms ... 500 m in 11 adjustable ranges
100 ms ... 1000 m fixed
Knob, external adjust, or fixed
+/-0.5%
≤
+/-10%
≤
150 ms
≤
+/-2%
12, 24, or 120 V DC; 24, 120, or 230 V AC
-15% ... +20%
-20% ... +10%
50 ... 60 Hz
Isolated relay contacts
Double pole double throw (DPDT)
10 A resistive at 120/240 V AC & 28 V DC
1/3 hp at 120/240 V AC
Mechanical--1 x 10
7
; Electrical--1 x 10
6
≥
1500 V RMS input to output
≥
100 MΩ
DC units are reverse polarity protected
Surface mount with two #6 (M3.5 x 0.6) screws
0.25 in. (6.35 mm) male quick connect terminals
-40°C ... +65°C / -40°C ... +85°C
≅
5.7 oz (162 g)
Mechanical View
Inches (Millimeters)
ERD32B01
07.01.04
Low Voltage Products & Systems
5.173
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