KS 40-1 Danaher
Wake Industrial LLC is not an authorized distributor of this product.
The Danaher KS 40-1 is part of the Thermal Controllers series and supports a working voltage of 300 VAC with a power consumption of 7 VA. It features three relay outputs, a front protection rating of IP65, and has dimensions of 48 by 96 by 118 mm. The controller offers a process display height of 10.5 mm and can withstand shocks up to 15 g.
Internal Product Review
The KS 40-1 is a Danaher thermal controller with IP65 front protection and a 100 ms input scan time. Technical performance is strong, with 3 relay outputs and 16 linearization segments supporting stable process control. Low 7 VA power consumption makes this unit an efficient choice for panel-based thermal regulation.
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Product Description:
The KS 40-1 is a panel-mounted temperature and process controller produced by Danaher within the Thermal Controllers series. It occupies the 1/8-DIN format and provides PID regulation for heaters, coolers, or mixed thermal loads in automated machinery. By monitoring sensor feedback and driving field devices, it closes the temperature control loop in packaging machines, ovens, and environmental chambers. The compact housing and integrated display allow operators to deploy the controller without additional interface modules. The KS 40-1 part number refers to the specific variant with relay outputs and universal analog measurement capability.
The analog input draws only 160 µA from the signal source and is referenced to a control level of 5 V that matches common sensor modules. Internal A/D conversion is refreshed every 100 ms, giving adequate resolution for medium-speed thermal processes. For power distribution, the controller tolerates up to 300 VAC working voltage, while its electronics dissipate just 7 VA, easing cabinet thermal planning. An isolated 18 V rail supplies 22 mA to two-wire transmitters, eliminating the need for separate loop power. Accuracy across multiple sensor types is supported by 16 linearization segments, and the Pt100 channel is excited with a stable 0.2 mA current. For thermocouple inputs, the 1 MΩ impedance prevents measurable errors caused by source loading.
The front bezel carries a 10.5 mm-high process display and sealed membrane keys, achieving an IP65 ingress rating once the unit is flush-mounted. Three form-C contacts provide three relay outputs that can switch heaters, alarms, or fan contactors without external interface relays. The housing measures 48 × 96 × 118 mm, so it fits standard 1/8-DIN cutouts, and its total mass of 0.27 kg minimizes stress on light-gauge panels. Resistance to mechanical impact reaches 15 g, allowing reliable operation on portable frames or equipment subject to sudden shocks.
