Delay On Break (Release)
HRDB Power-Time
Time Delay Relay
Description
The HRDB Series combines an electromechanical relay output with microcontroller timing circuitry. The HRDB
offers 12 to 230 V operation in five ranges and factory fixed, external, or onboard adjustable time delays with
a repeat accuracy of +/-0.5%. The isolated output contact rating allows for direct operation of heavy loads
such as compressors, pumps, blower motors, heaters, etc. The HRDB is ideal for OEM applications where
cost is a factor.
Operation
Input voltage must be applied before and during
timing. Upon closure of the initiate switch, the output
relay energizes. The time delay begins when the initiate
switch is opened. The output remains energized
during timing. At the end of the time delay, the output
de-energizes. The output will energize if the initiate
switch is closed when input voltage is applied.
Reset:
Reclosing the initiate switch during timing resets
the time delay. Loss of input voltage resets the time
delay and output.
Function
Delay On Break
30 A SPDT N.O. Isolated
Output Contacts
12 ... 230 V Operation in
5 Ranges
Delays from 100 ms ...100 m
in 5 Ranges
+/-0.5% Repeat Accuracy
Fixed, External, or Onboard
Adjustment
Approvals:
Connection
V = Voltage
L = Load S1 = Initiate Switch
TD = Time Delay R = Reset
t = Incomplete Time Delay
= Undefined time
Accessories
B
A
External adjust
potentiometer
P/Ns:
P1004-95
(fig A)
P1004-95-X
(fig B)
Mounting bracket
P/N:
P1023-6
Female quick
connect P/Ns:
P1015-64
(AWG 14/16)
P1015-13
(AWG 10/12)
S1 = Initiate Switch L = Timed Load
UTL = Untimed Load NO = Normally Open
C = Common, Transfer Contact
NOTE: A knob, or terminals 4 & 5 are only included
on adjustable units. R
T
is used when external
adjustment is ordered. Relay contacts are
isolated. Dashed lines are internal connections.
The untimed load is optional.
Quick connect to
screw adaptor
P/N:
P1015-18
Versa-knob
P/N:
P0700-7
Ordering Table
HRDB
Series
DIN rail P/Ns:
017322005
(Steel)
C103PM
(Al)
DIN rail adaptor
P/N:
P1023-20
→
See accessory pages for
specifications.
5.58
Example P/N:
HRDB421
Fixed –
HRDB41A0.5S
* If Fixed Delay is selected, insert delay
[0.1
…
1000]
followed by (S) sec. or
[0.1
...
100]
(M) min.
Low Voltage Products & Systems
HRDBGem
10.03.05
←
X
Input
–1 -
12 V DC
–2 -
24 V AC
–3 -
24 V DC
–4 -
120 V AC
–6 -
230 V AC
X
Adjustment
–1 -
Fixed
–2 -
Onboard
Knob
–3 -
External
Adjust
X
Time Tolerance
–A
- +/-1%
Blank - +/-5%
X
Time Delay*
–0 - 0.1 ...
10 s
–1 - 1 ... 100 s
–2
- 10 ... 1000 s
–3 - 0.1 ... 10 m
–4 - 1 ... 100 m
Delay On Break (Release)
HRDB Power-Time
Time Delay Relay
Technical Data
Time Delay
Type
Range
Repeat Accuracy
Tolerance (Factory Calibration)
Reset Time
Initiate Time
Time Delay vs. Temperature & Voltage
Input
Voltage
Tolerance
12 V DC & 24 V DC
24 ... 230 V AC
Line Frequency
Power Consumption
Output
Type
Form
Ratings:
General Purpose
125/240 V AC
Resistive
125/240 V AC
28 V DC
Motor Load
125 V AC
240 V AC
Life
Protection
Surge
Circuitry
Dielectric Breakdown
Insulation Resistance
Polarity
Mechanical
Mounting
Package
Termination
Environmental
Operating/Storage Temperature
Humidity
Weight
Microcontroller circuitry
100 ms ... 100 m in 5 adjustable ranges or fixed
+/-0.5 % or 20 ms, whichever is greater
+/-1%, +/-5%
≤
150 ms
≤
20 ms
+/-2%
12 or 24 V DC; 24, 120, or 230 V AC
-15% ... +20%
-20% ... +10%
50 ... 60 Hz
AC
≤
4 VA; DC
≤
2 W
Electromechanical relay
SPDT, isolated
SPDT-N.O.
SPDT-N.C.
30 A
15 A
30 A
15 A
20 A
10 A
1 hp*
1/4 hp**
2 hp**
1 hp**
Mechanical -- 1 x 10
6
; Electrical -- 1 x 10
5
, *3 x 10
4
, **6,000
IEEE C62.41-1991 Level A
Encapsulated
≥
2000 V RMS terminals to mounting surface
≥
100 MΩ
DC units are reverse polarity protected
Surface mount with one #10 (M5 x 0.8) screw
3 x 2 x 1.5 in. (76.7 x 51.3 x 38.1mm)
0.25 in. (6.35 mm) male quick connect terminals
-40°C ... +60°C/-40°C ... +85°C
95% relative, non-condensing
≅
3.9 oz (111 g)
External Resistance vs Time Delay
Mechanical View
Onboard Adjust Detail Replaces
Terminals if Ordered
Inches (Millimeters)
HRDBGen 10.03.05
Low Voltage Products & Systems
5.59
PCB Design
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