MODEL: R5T-CTA
•Clamp-on current sensor (model: CLSA-30)
Remote I/O R5 Series
•Clamp-on current sensor (model: CLSA-50)
•Special cable (model: CLSA-08C)
AC CURRENT INPUT MODULE
(clamp-on current sensor type CLSA use;
screw terminal block; true RMS sensing)
The clamp-on current sensor, not included in the product
package, must be ordered separately.
Refer to the data sheet for the sensor for more information
such as applicable wire diameter.
18 (.71)
GENERAL SPECIFICATIONS
Connection
90
(3.54)
Internal bus: Via the Installation Base (model: R5-BS)
Input: M3.5 screw terminal block (torque 0.8 N·m)
Internal power: Via the base (model: R5-BS)
Screw terminal: Nickel-plated steel (standard) or stainless
steel
137
(5.39)
mm (inch)
Isolation: Input 1 to input 2 to internal bus or internal power
Input waveform
MODEL: R5T-CTA[1][2][3]
RMS sensing: Up to 15 % of 3rd harmonic content
Input range: Selectable with the side DIP SW
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
Low-end cutout: Converted as 0 % for the input below 2 %
ORDERING INFORMATION
Code number: R5T-CTA[1][2][3]
Specify a code from below for each [1] through [3].
(e.g. R5T-CTA2W/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
INPUT SPECIFICATIONS
Frequency: 50 or 60 Hz
[1] NO. OF CHANNELS
1: 1 channel
Operational range: 5 – 115 % of rating
Max. working voltage: 440 V AC (primary side)
Sensor & range:
2: 2 channels
CLSA-08: 0 – 80 A AC
[2] COMMUNICATION MODE
S: Single
CLSA-12: 0 – 120 A AC
CLSA-30: 0 – 300 A AC
W: Dual
CLSA-50: 0 - 500 A AC
[3] OPTIONS
blank: none
INSTALLATION
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R5-BS)
Weight: 110 g (0.24 lb)
/Q: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
RELATED PRODUCTS
•Clamp-on current sensor (model: CLSA-08)
•Clamp-on current sensor (model: CLSA-12)
R5T-CTA SPECIFICATIONS
ES-7554 Rev.3 Page 1/3
http://www.m-system.co.jp/