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NK Technologies DS3 Series DC Current Operated Switches

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SKU

DS3

Manufacturer:

NK Technologies

Key Features:

Compact, One-piece Design

Fits in easily amongst motor starters and power supplies in crowded control panels

Input Isolation

Safer than shunt/relay combinations

Output Installation

Isolated output greatly simplifies wiring

Tough

Designed to handle harsh industrial environments

Adaptive Hysteresis

Hysteresis is 5% of setpoint, allowing closer control than fixed hysteresis switches

Reliable

Solid state design

Built-in Mounting Feet

Simple, two-screw installation allows for secure mounting

Product Options:

NK Technologies Model DS3 Output Type Selection

SPDT Relay + $5.00

Solid State N.O. AC/DC

NK Technologies Model DS3 Power Supply Selection

24 VAC/VDC Power Supply

12 VDC Power Supply

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$135.00

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Product Detail

'DS3' Current Operated Switches from NK Technologies combine a Hall effect sensor, signal conditioner and a limit alarm into a single package. The DS3 Series offers three jumper-selected current input ranges and frequency response from DC to 400Hz. Available in a solid-core with choice of relay or a universal solid state output.

NK Technologies DS3 Series DC Current Operated Switches, 4 - 20 A, 10 - 50 A, 20 - 100 A Field Adjustable Setpoint Ranges

Short Description

Output	Isolated Dry Contact
Output Rating	• Solid-state: 0.15 A @ 240 VAC or VDC (N.O. Only) • Relays: 5.0 A @ 240 VAC, 5.0 A @ 30 VDC (SPDT)
Off-state Leakage	<10 μA
Response Time	• 100 ms (10% above setpoint) • 20 ms (100% above setpoint)
Setpoint Range	2–20, 10–50 and 20–100 A (DC) jumperselectable (derate by √2 for AC)
Hysteresis	5% of setpoint
Isolation Voltage	3 KV
Frequency Range	DC to 400 Hz
Sensing Aperture	0.75” (19.1 mm) dia.
Case	UL94 V0 Flammability Rated
Environmental	-4 to 122°F (-20 to 50°C) 0–95% RH, non-condensing
Listings	UL 508 Industrial Control Equipment (USA & Canada), CE