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© 2016 Littelfuse Protection Relays & Controls Time Delay Relays Dedicated - Delay-on-Make www.littelfuse.com/ksd1 Rev: 1-A-062116 KSD1 SERIES L1 N/L2 Delay-on-Make Timer

Description

The KSD1 Series features two-terminal, series-connection with the load. The KSD1 Series is an ideal choice for delay-on- make timing applications. This 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-Make) Upon application of input voltage, the time delay begins. The output is de-energized before and during the time delay. At the end of the time delay, the output energizes and remains energized until input voltage is removed. Reset: Removing input voltage resets the time delay and output. Features & Benefits FEATURES BENEFITS Microcontroller based Repeat Accuracy + / - 0.5%, + / -5% time delay accuracy Compact, low cost design Allows flexiblility for OEM applications 1A Steady solid-state output, 10A inrush Provides 100 million operations in typical conditions. T otally solid state and encapsulated No moving parts to arc and wear out over time and encapsulated to protect against shock, vibration, and humidity 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) Female Quick Connect These 0.25 in. (6.35 mm) female terminals are constructed with an insulator barrel to provide strain relief. Wiring Diagram Load may be connected to terminal 3 or 1. RT is used when external adjustment is ordered.

Ordering Information

MODEL INPUT VOLTAGE ADJUSTMENT TIME DELAY KSD11120S 12VDC Fixed 20s KSD1123 12VDC External 0.1 - 10m KSD1230 24VAC Onboard 0.1 - 10s KSD1320 24VDC External 0.1 - 10s KSD1412S 120VAC Fixed 2s KSD14130S 120VAC Fixed 30s KSD1420 120VAC External 0.1 - 10s KSD16130S 230VAC Fixed 30s If you don’t find the part you need, call us for a custom product 800-843-8848

© 2016 Littelfuse Protection Relays & Controls Time Delay Relays Dedicated - Delay-on-Make www.littelfuse.com/ksd1 Rev: 1-A-062116 Accessories 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. When 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. Function Diagram DELAY-ON-MAKE (ON-DELAY) V = Voltage NO = Normally Open Contact NC = Normally Closed Contact TD = Time Delay R = Reset = Undefined Time KSD1 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% Recycle Time ≤ 150ms Time Delay vs. Temperature & Voltage ≤ ±10% Input Voltage 24, 120, or 230VAC; 12 or 24VDC Tolerance ±20% AC Line Frequency 50/60 Hz Output Type Solid state Form NO, open during timing Maximum Load Current 1A steady state, 10A inrush at 60°C Minimum Holding Current ≤ 40mA OFF State Leakage Current ≅ 7mA @ 230VAC Voltage Drop ≅ 2.5V @ 1A Protection Circuitry Encapsulated Dielectric Breakdown ≥ 2000V RMS terminals to mounting surface Insulation Resistance ≥ 100 MΩ 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”); W 50.8 mm (2”); 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 85°C Humidity 95% relative, non-condensing Weight ≅ 2.4 oz (68 g)