Larson Electronics EXP-EL-CSS-250A-R1-NO Instruction Manual

Explosion proof ac current sensing switch

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240V AC/DC Output - 0-250A Sensing Range - NO Contacts
Thank you for your purchase of the Larson Electronics EXP-EL-CSS-250A-R1-NO.
WARNING:
READ CAREFULLY BEFORE INSTALLING FIXTURE. RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.
CRITICAL SAFETY INSTRUCTIONS:
Installation SHOULD ONLY BE CONDUCTED BY A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH NEC AND ANY
RELEVANT LOCAL BUILDING CODES.
RISK OF FIRE OR ELECTRIC SHOCK. FIXTURE INSTALLATION REQUIRES KNOWLEDGE OF FIXTURE'S ELECTRICAL
SYSTEMS. IF NOT QUALIFIED, CONTACT A QUALIFIED ELECTRICIAN.
BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.
MAKE SURE THE SUPPLY VOLTAGE IS THE SAME AS THE FIXTURE'S RATED VOLTAGE.
TO PREVENT WIRING DAMAGE OR ABRASION, DO NOT EXPOSE WIRING TO EDGES OF SHEET METAL OR SHARP
OBJECTS. SUITABLE FOR DAMP LOCATIONS.
IMPORTANT
READ CAREFULLY BEFORE INSTALLING THIS FIXTURE. SAVE THESE INSTRUCTIONS FOR FUTURE
REFERENCE.
THE
ELECTRICAL CODE AND ALL APPLICABLE LOCAL CODES. PROPER GROUNDING IS REQUIRED FOR SAFETY.
WE STRONGLY ENCOURAGE ONLY A LICENSED ELECTRICIAN INSTALL, OPERATE AND MAINTAIN THIS
PRODUCT. IF YOU ARE NOT QUALIFIED OR UNFAMILIAR WITH ANY ASPECT OF THIS INSTRUCTION SHEET,
CONSULT AN ELECTRICIAN. THERE ARE NO SERVICEABLE PARTS INSIDE.
WARNING: MAKE SURE POWER IS TURNED OFF BEFORE STARTING THE
INSTALLATION OR PERFORMING ANY MAINTENANCE.
RISK OF FIRE/ELECTRIC SHOCK –
RISK OF PERSONAL INJURY –
RISK OF BURN –
ALLOW FIXTURE TO COOL BEFORE SERVICING.
WARNING
TO AVOID THE RISK OF FIRE, EXPLOSION OR ELECTRIC SHOCK, THIS PRODUCT SHOULD BE INSTALLED,
INSPECTED AND MAINTAINED BY A QUALIFIED ELECTRICIAN ONLY, IN ACCORDANCE WITH ALL
APPLICABLE ELECTRICAL CODES.
TO AVOID ELECTRIC SHOCK:
BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.
PRODUCT MUST BE CONNECTED TO A WIRING SYSTEM WITH AN EQUIPMENT-GROUNDING
CONDUCTOR.
TO AVOID EXPLOSION:
MAKE SURE THE SUPPLY VOLTAGE IS WITHIN THE VOLTAGE RATING.
ENSURE THE MARKED T RATING IS LESS THAN THE IGNITION TEMPERATURE OF THE HAZARDOUS
ATMOSPHERE.
DO NOT OPERATE IN AMBIENT TEMPERATURES ABOVE THOSE INDICATED ON THE PRODUCT
NAMEPLATE.
DO NOT OPERATE IF THE LENS, CORD, SEALS, HOUSING, RECEPTACLES, ETC. IS CRACKED OR
DAMAGED. IF SO, DISCONTINUE USE AND CONTACT MANUFACTURER FOR REPLACEMENT PARTS.
ALL FASTENERS SHOULD BE PROPERLY SEATED.
The EXP-EL-CSS-250A-R1-NO from Larson Electronics is an Explosion Proof AC Current Switch designed for power
monitoring and circuit control in Class I, II and III rated facilities. The solid-state switch is equipped with a fixed core, non-
adjustable trip point and normally open contacts. This explosion proof device offers a current sensing range of 0-250A.
Larson Electronics, LLC
Explosion Proof AC Current Sensing Switch
Instruction Manual
EXP-EL-CSS-250A-R1-NO
DISCONNECT POWER AT BREAKER BEFORE INSTALLING OR SERVICING.
FIXTURE MAY BECOME UNSTABLE OR DAMAGED IF NOT INSTALLED PROPERLY.
Phone: (800) 369-6671
MUST
BE
WIRED
Fax: (903) 498-3364
EXP-EL-CSS-250A-R1-NO
IN
ACCORDANCE
WITH
www.larsonelectronics.com
NATIONAL
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Summary of Contents for Larson Electronics EXP-EL-CSS-250A-R1-NO

  • Page 1 ALL FASTENERS SHOULD BE PROPERLY SEATED. The EXP-EL-CSS-250A-R1-NO from Larson Electronics is an Explosion Proof AC Current Switch designed for power monitoring and circuit control in Class I, II and III rated facilities. The solid-state switch is equipped with a fixed core, non- adjustable trip point and normally open contacts.
  • Page 2 An ohmmeter set on “Continuity” will give misleading results. Monitored Amps Output Fixed Split N.O. Below 0.75 A 1.25 A OPEN Above 0.75 A 1.25 A CLOSED 2 of 3 Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com...
  • Page 3 Inspect for good working condition prior to storage and before re-use. REPLACEMENT PARTS The EXP-EL-CSS-250A-R1-NO is designed to provide years of reliable performance. Should the need for replacement parts arise, please contact Larson Electronics. THESE...

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