Refer to the QuickLIT website for the most up-to-date version of this document. CSDSC and CSDECM Current Switch Devices Product Bulletin 1 The Current Switch Devices Self-Calibrating (CSDSC) Series of Current Switch Devices provide reliable verification of electrical equipment operation in a variety of applications, including fans and pumps. CSDSC current switch devices use a single-turn dial to select motor full load amps, eliminating the need for live calibration and significantly reducing installation time compared to traditional current switches. CSDSC switches use full load amps instead of horsepower, eliminating the need for separate part numbers as a function of line voltage. CSDSC current switches are installed when the panel is de-energized. The ability to preset the sensor eliminates the need for Personal Protective Equipment (PPE) that is required by OSHA when working with a live panel. The fixed setpoint Current Switch Device for Electronically Commutated Motors (CSDECM) Series of Current Switch Devices feature a range of minimum turn-on options including 250 mA, 350 mA, and 500 mA. These options eliminate the possibility of a false reading. Even when idle, ECMs draw a small amount of current. Some fixed point sensors feature a minimum turn-on value within the vicinity of the ECM’s idle current, making them ineffective in distinguishing between on and off status. CSDECM Current Switch Devices can also be used with other electrical loads when a simple sensor is needed. Figure 1: CSDSC Current Switch Devices Figure 2: CSDECM Current Switch Devices CSDSC and CSDECM Current Switch Devices Product Bulletin Code No. LIT-12012403 Issued September 2017 Features and Benefits •Split and Solid Core Models with Mini-Sized Variants—Fit in tight enclosures. •Monitored Load—Supplies power without a power supply. •Optional N.O. Relay—Adds 10 A at 125 VAC switching power with a choice of 24 or 12 V coil. •Polarity Insensitive Output—Provides easier wiring. •Low Turn on Current—Extends use to sub-fractional HP motors. •LED Indication of Switch Status—Allows you to easily check the switch’s on/off status (CSDSC switch only).CSDSC and CSDECM Current Switch Devices Product Bulletin 2 Operation The CSDSC and CSDECM Current Switch Devices have an N.O. output (1.0 at 30 VAC/VDC). The output on the CSDSC switch closes when the monitored current exceeds 70% full load amps and opens when the current falls below 60% full load amps, making the loss of load detection permissible without calibration. The output on the CSDECM switch closes when the monitored current exceeds the indicated minimum turn-on amps; it remains open when falling below the same threshold. Ordering Table 1: CSDSC Current Switch Devices Ordering Information Code NumberCore TypeMinimum Turn-On Amps Maximum Amps LEDsRelay Option CSDSC-C45050LxClamp0.45 A50 AHigh, Low, Power Yes 1 1.See Table3 for relay order code information. CSDSC-C50100Lx0.50 A100 A CSDSC-C50150Lx150 A CSDSCM-C010501.00 A50 ATripNo CSDSCM-S75050LSolid0.75 A50 A CSDSCM-S75005L CSDSCMM-S75050L Table 2: CSDECM Current Switch Devices Ordering Information Code NumberCore TypeMinimum Turn-On Amps Maximum Amps LEDsRelay Option CSDECM-C35200LxClamp0.35 A200 ANoYes 1 1.See Table3 for relay order code information. CSDECMM-C500500.50 A50 ANo CSDECM-S25050LSolid0.25 A CSDECMM-S25050L Table 3: CSDSC and CSDECM Relay Options Relay Order CodeContact RatingCoilRelay Code Number (Field Accessory) Relay Dimensions, in. (mm) (L x H x W) 1N.O. 10 A at 125 VAC24 VAC/VDC 15 mACRCSDP-NO-240.84 x 0.72 x 2.06 (21.3 x 18.3 x 52.3) 2N.C. 10 A at 125 VACCRCSDP-NC-24 3N.O. 10 A at 125 VAC12 VDC 30 mACRCSDP-NO-12 4N.C. 10 A at 125 VACCRCSDP-NC-12 0No RelayN/AN/AN/ACSDSC and CSDECM Current Switch Devices Product Bulletin 3 Repair Information If the CSDSC and CSDECM Current Switch Devices fail to operate within their specifications, replace the units. For a replacement switch device, contact the nearest Johnson Controls® representative. Technical Specifications CSDSC Current Switch Devices CSDSC-C45050Lx CSDSC-C50100Lx CSDSC-C50150Lx CSDSCM-C01050CSDSC-S75050LCSDSCM-S75005L CSDSCM-S75050L Status OutputSwitch normally open Switch Load Capacity 1.0 at 30 VAC/VDC Switch SetpointAdjustable Maximum Current50 A 100 A 150 A 50 A50 A5 A 50 A Minimum Trip Setpoint Value 0.45 A 0.50 A 0.50 A 1.00 A0.75 A0.75 A 0.75 A Aperture (Sensing Hole) Size; Dimensions, in. (mm) 0.75 x 0.75 (19.1 x 19.1) 0.4 x 0.32 (10.2 x 8.1 mm) 0.51 (13.0)0.30 (7.6) Switch LED Indication Yes Current Switching Mode Over/Under Sensor Supply Voltage Induced from power conductor cable Status Output Wire Size 14 to 24 AWG (1.6 to 0.5 mm) Screw Torque3.5 to 4.4 in·lb (0.4 to 0.5 N·m) Isolation Voltage600 VAC rms (UL), 300 VAC rms (CE) Frequency Range50/60 Hz Temperature Range 5 to 140°F (-15 to 60°C) Humidity Range0 to 95% noncondensing Dimensions, in. (mm) 2.5 x 0.57 x 2.23 (63.5 x 14.5 x 56.6) 2.0 x 0.75 x 1.75 (50.8 x 19.1 x 44.5) 2.26 x 0.97 x 1.6 (57.4 x 24.6 x 40.6) 1.91 x 0.88 x 1.31 (48.5 x 22.4 x 33.3) Command Relay Device Actuation Coil 20 to 30 VAC/VDC, 12 to 20 mA or 10 to 14 VAC/VDC, 25 to 35 mA (models except -0L0) N/AN/AN/A Relay Contact Rating N.O. 10A at 125 VAC or N.C. 10A at 125 VAC N/AN/AN/A Relay LED Indication YesN/AN/AN/ACSDSC and CSDECM Current Switch Devices Product Bulletin 4 ComplianceUnited StatesUL Listed, File E493157, CCN NMTR, Under UL 508, Industrial Control Equipment CanadaUL Listed, File E493157, CCN NMTR7, Under CAN/CSA C22.2 No. 14-M91 EuropeCE Mark - Johnson Controls declares that this product is in compliance with the essential requirements and other relevant provisions of the EMC Directive and the Low Voltage Directive. Shipping Weight0.15 lb (0.07 kg) CSDECM Current Switch Devices CSDECM-C35200LxCSDECMM-C50050CSDECM-S25050LCSDECMM-S25050L Status OutputSwitch normally open Switch Load Capacity 1.0 at 30 VAC/VDC Switch SetpointFixed Maximum Current200 A50 A50 A50 A Minimum Trip Setpoint Value 0.35 A0.50 A0.25 A0.75 A Aperture (Sensing Hole) Size; Dimensions, in. (mm) 0.75 x 0.75 (19.1 x 19.1) 0.4 x 0.32 (10.2 x 8.1) 0.51 (13.0)0.30 (7.6) Switch LED Indication No Current Switching Mode Over/Under Sensor Supply Voltage Induced from power conductor cable Status Output Wire Size 14 to 24 AWG (1.6 to 0.5 mm) Screw Torque3.5 to 4.4 in·lb (0.4 to 0.5 N·m) Isolation Voltage600 VAC rms (UL), 300 VAC rms (CE) Frequency Range50/60 Hz Temperature Range 5 to 140°F (-15 to 60°C) Humidity Range0 to 95% noncondensing Dimensions, in. (mm) 2.5 x 0.57 x 2.23 (63.5 x 14.5 x 56.6) 2.0 x 0.75 x 1.75 (50.8 x 19.1 x 44.5) 2.26 x 0.97 x 1.6 (57.4 x 24.6 x 40.6) 1.91 x 0.88 x 1.31 (48.5 x 22.4 x 33.3) Relay Contact Rating N.O. 10A at 125 VAC or N.C. 10A at 125 VAC N/AN/AN/A Actuation CoilN/AN/AN/AN/A Relay LED Indication Yes N/AN/AN/A CSDSC Current Switch DevicesPublished in U.S.A.www.johnsoncontrols.com CSDSC and CSDECM Current Switch Devices Product Bulletin 5 Metasys® and Johnson Controls® are registered trademarks of Johnson Controls. All other marks herein are the marks of their respective owners. © 2017 Johnson Controls. Building Technologies & Solutions 507 E. Michigan Street, Milwaukee, WI 53202 ComplianceUnited StatesUL Listed, File E493157, CCN NMTR, Under UL 508, Industrial Control Equipment CanadaUL Listed, File E493157, CCN NMTR7, Under CAN/CSA C22.2 No. 14-M91 EuropeCE Mark - Johnson Controls declares that this product is in compliance with the essential requirements and other relevant provisions of the EMC Directive and the Low Voltage Directive. Shipping Weight0.15 lb (0.07 kg) The performance specifications are nominal and conform to acceptable industry standards. For application of conditions beyond these specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. CSDECM Current Switch DevicesNext >