KSDB Series Datasheet by Littelfuse Inc.

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© 2016 Littelfuse Protection Relays & Controls
Time Delay Relays
Dedicated - Delay-on-Break
Rev: 1-A-062216
www.littelfuse.com/ksdb
KSDB SERIES
Description
The KSDB Series is designed for general purpose commercial
and industrial applications where a small, cost effective, reliable
solid-state timer is required. The factory calibration for fixed
time delays is within 5% of the target time delay. The repeat
accuracy, under stable conditions, is 0.5% of the selected time
delay. This series is designed for popular AC and DC voltages.
Time delays of 0.1 seconds to 1000 minutes are available in
6 ranges. The output is rated 1A steady and 10A inrush. The
modules are totally solid state and encapsulated to protect the
electronic circuitry.
Operation (Delay-on-Break)
Input voltage must be applied before and during timing. Upon
closure of the initiate switch, the output 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 energizes 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.
Features & Benefits
FEATURES BENEFITS
Microcontroller based Repeat accuracy + / - 0.5%,
Factory calibration + / - 5%
1A Steady, 10A inrush
solid-state output Provides 100 million operations in typical conditions.
Totally solid state
and encapsulated
No moving parts to arc and wear out over time and
encapsulated to protect against shock, vibration,
and humidity
Compact, low
cost design Allows flexibility for OEM applications
Wiring Diagram
V = Voltage
UTL = Optional Untimed
Load
L = Load
S1 = Initiate Switch
RT is used when external
adjustment is ordered.
L1 N/L2
(Positive Switching)
(Negative Switching)
Ordering Information
MODEL INPUT
VOLTAGE ADJUSTMENT TIME DELAY SWITCHING
MODE MODEL INPUT
VOLTAGE ADJUSTMENT TIME DELAY SWITCHING
MODE
KSDB1110MP 12VDC Fixed 10m Positive KSDB314SP 24VDC Fixed 4s Positive
KSDB1115SP 12VDC Fixed 15s Positive KSDB315SP 24VDC Fixed 5s Positive
KSDB1120SP 12VDC Fixed 20s Positive KSDB324N 24VDC External 1 - 100m Negative
KSDB113MP 12VDC Fixed 3m Positive KSDB330N 24VDC Onboard 0.1 - 10s Negative
KSDB113SP 12VDC Fixed 3s Positive KSDB4120M 120VAC Fixed 20m n/a
KSDB120P 12VDC External 0.1 - 10s Positive KSDB4160S 120VAC Fixed 60s n/a
KSDB134P 12VDC Onboard 1 - 100m Positive KSDB4190M 120VAC Fixed 90m n/a
KSDB2115S 24VAC Fixed 15s n/a KSDB431 120VAC Onboard 1 - 100s n/a
KSDB220 24VAC External 0.1 - 10s n/a KSDB61150S 230VAC Fixed 150s n/a
KSDB231 24VAC Onboard 1 - 100s n/a KSDB631 230VAC Onboard 1 - 100s n/a
If you don’t find the part you need, call us for a custom product 800-843-8848
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© 2016 Littelfuse Protection Relays & Controls
Time Delay Relays
Dedicated - Delay-on-Break
Rev: 1-A-062216
www.littelfuse.com/ksdb
Accessories
P1004-95, P1004-95-X Versa-Pot
Panel mountable, industrial potentiometer
recommended for remote time delay adjustment.
P1023-6 Mounting bracket
The 90° orientation of mounting slots makes
installation/removal of modules quick and easy.
P0700-7 Versa-Knob
Designed for 0.25 in (6.35 mm) shaft of
Versa-Pot. Semi-gloss industrial black finish.
P1015-64 (AWG 14/16), P1015-14 (AWG 18/22)
Female Quick Connect
These 0.25 in. (6.35 mm) female terminals are
constructed with an insulator barrel to provide
strain relief.
P1015-18 Quick Connect to Screw Adapter
Screw adapter terminal designed for use with
all modules with 0.25 in. (6.35 mm) male quick
connect terminals.
C103PM (AL) DIN Rail
35 mm aluminum DIN rail available in a 36 in.
(91.4 cm) length.
P1023-20 DIN Rail Adapter
Allows module to be mounted on a 35 mm DIN
type rail with two #10 screws.
External Resistance vs. Time Delay
This chart applies to externally adjustable part numbers.
The time delay is adjustable over the time delay range selected by varying
the resistance across the
RT terminals; as the resistance increases the tie
delay increases.
W
hen selecting an external RT, add the tolerances of the timer and the RT
for the full time range adjustment
.
Examples:
1 to 50 S adjustable time delay, select time delay range 1 and
a 50 K ohn
RT. For 1 to 100 S use a 100 K ohm RT.
KSDB SERIES
Specifications
Time Delay
Range 0.1s - 1000m in 6 adjustable ranges or fixed
Repeat Accuracy ±0.5 % or 20ms, whichever is greater
Tolerance
(Factory Calibration) ≤ ±5%
Reset Time 150ms
Initiate Time ≤ 20ms
Time Delay vs Temp.
& Voltage ±10%
Input
Voltage 12, 24, or 120VDC; 24, 120, or 230VAC
Tolerance ±20%
Power Consumption AC ≤ 2VA; DC ≤ 2W
AC Line Frequency/DC Ripple 50/60 Hz / ≤ 10 %
Output
Type Solid state
Form NO, closed before & during timing
Maximum Load Current 1A steady state, 10A inrush at 60°C
OFF State Leakage Current AC 5mA @ 230VAC; DC 1mA
Voltage Drop AC 2.5V @ 1A; DC 1V @ 1A
DC Operation Positive or negative switching
Protection
Circuitry Encapsulated
Dielectric Breakdown ≥ 2000V RMS terminals to mounting surface
Insulation Resistance ≥ 100 M
Polarity DC units are reverse polarity protected
Mechanical
Mounting Surface mount with one #10 (M5 x 0.8) screw
Dimensions H 50.8 mm (2.0”); W 50.8 mm (2.0”);
D 30.7 mm (1.21”)
Termination 0.25 in. (6.35 mm) male quick connect terminals
Environmental
Operating/Storage
Temperature -40° to 60°C / -40° to 8C
Humidity 95% relative, non-condensing
Weight 2.4 oz (68 g)
Function Diagram
DELAY-ON-BREAK (OFF-DELAY) V = Voltage
S1 = Initiate Switch
NO = Normally
Open Contact
NC = Normally
Closed Contact
TD = Time Delay
t = Incomplete
Time Delay
R = Reset
= Undefined
Time

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