EM-9234 Rev.4 P. 1 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
INSTRUCTION MANUAL
CLAMP-ON CURRENT SENSOR MODEL CLSE
BEFORE USE ....
Thank you for choosing us. Before use, please check con-
tents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact our sales office or representatives.
This equipment is an easy-to-install, spring-loaded, clamp-
on type current sensor.
For safety, installation and maintenance of this equipment
must be conducted by qualified personnel.
■PACKAGE INCLUDES:
Clamp-on current sensor ....................................................(1)
■MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
■SYMBOLS USED ON THE PRODUCT AND IN THIS MANUAL
The symbol indicated on the equipment, means that the
user must refer to the related parts in the manual for safe
operation of the equipment. It is essential to read the in-
structions wherever the symbol appears in the manual.
WARNING: is reserved for conditions and actions that
can cause serious or fatal injury.
CAUTION: is reserved for conditions and actions that can
cause injury or instrument damage.
WARNING
• To prevent short circuits and potentially life-threatening
hazards, never attach the product to a circuit that oper-
ates at more than 480 V AC, or over bare conductors.
CAUTION
■REGARDING SAFETY
If the equipment is used in a manner not specified by us,
the protection provided by the equipment may be impaired.
■CONFORMITY WITH EU DIRECTIVES
• This equipment is suitable for
(1) Measurement Category III
(input, transient voltage 6000V)
(2) Pollution Degree 2
(3) With the maximum operating voltage of 480 V AC.
• To prevent short circuits and potentially life-threatening
hazards, make sure that the primary conductors are
insulated with material conforming to basic insulation
requirements for above items (1), (2), and (3).
• Altitude up to 2000 meters.
■GENERAL PRECAUTIONS
• Before you remove the sensor module or mount it, turn
off the input signal for safety. While the line is alive, the
module’s cores, attracted to each other, may be hard to
separate.
• The over-voltage clamp element is incorporated at the
output for safety. However, leaving the circuit open for an
extended time period is not recommended.
• Keep the joint surface of the clamp core clean.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the air,
install the module inside proper housing with sufficient
ventilation.
• Do not install the module where it is subjected to con-
tinuous vibration. Do not subject the module to physical
impact.
• Environmental temperature must be within -10 to +55°C
(14 to 131°F) with relative humidity within 0 to 95% RH
in order to ensure adequate life span and operation.
■WIRING
• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
COMPONENT IDENTIFICATION
Tab Body
Terminal Cover
Top Section
Input Cable Here Specifications
Individual models have different shapes.
Binding Strap Guide
