SIEMENS CMT3R Electronic Trip Unit Instruction Manual
- June 10, 2024
- SIEMENS
Table of Contents
SIEMENS CMT3R Electronic Trip Unit
Product Information
- Product Name: Betriebsanleitung
- Model Numbers: CMT3R, CMT3W, CMT3T, CMT3V
- Compatible with: Frame MG, Base MG
- Manufacturer: Siemens
- Technical Support:
http://www.siemens.com/lowvoltage/technical- support
Product Usage Instructions
- Read and understand the instructions before installing, operating, or maintaining the equipment.
- Turn off and lock out all power supplying this device before working on this device to avoid hazardous voltage that can cause death or serious injury.
- Use only certified components for reliable functioning of the equipment.
- Use the necessary assembly tools: PZ2 screwdriver, Cal ISO 6789 7/16, and MSKM4.
- Follow the assembly instructions provided in the manual.
- Refer to the example provided in the manual for proper installation of the product.
- Use the ON/OFF switch to operate the equipment.
Read and understand these instructions before installing, operating, or maintaining the equipment.
DANGER
Hazardous voltage.
Will cause death or serious injury. Turn off and lock out all power supplying
this device before working on this device.
CAUTION
Reliable functioning of the equipment is only ensured with certified
components.
NOTE
These instructions do not purport to cover all details or variations in
equipment, or to provide for every possible contingency to be met in
connection with installation, operation or maintenance. Should further
information be desired or should particular problems arise, which are not
covered sufficiently for the purchaser’s purposes, the matter should be
referred to the local Siemens sales office. The contents of this Instruction
manual shall not become part of or modify any prior or existing agreement,
commitment or relationship. The sales contract contains the entire obligation
of Siemens. The warranty contained in the contract between the parties is the
sole warranty of Siemens. Any statements contained herein do not create new
warranties or modify the existing warranty.
Trademarks – Unless otherwise noted, all names identified by ® are registered
trademarks of Siemens AG or Siemens Industry, Inc. The remaining trademarks in
this publication may be trademarks whose use by third parties for their own
purposes could violate the rights of the owner.
Necessary assembly tools
Quantity of delivery
DANGER
Hazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying this device before working on this
device.
Additional accessories
Assembly
DANGER
Hazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying this device before working on this
device.
Caution
Place circuit breaker in “OFF” position before removing the plug cover
Tripped
Caution
Replace the plug cover before switching back on
LED Operation States [ LED Estado operatión ]
Definitions
In| Rated Current
Ir| Cointinuous Amps
tr| Long Time Delay
Isd| Short Time Pickup
tsd| Short Time Delay
Ii| Instantaneous Pickup
Ig| Ground Fault Pickup
tg| Ground Fault Delay
In event of damage to the device, Electronic Trip Un its are equipped with a Minimum Setting feature. All settings override to the lowest possible value and the device must be replaced.
DANGERHazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying this device before working on this
device.
ETU Removal Instructions
Further information can be found in the 3VL manual on the internet at
www.siemens.com/lowvoltage/manuals
www.usa.siemens.com/powerdistribution
(only in German and English)
Subject to change without prior notice. Store for use at a later date.
Bestell-Nr. / Order No.: 3ZW1012-0VL05-2AA0 © Siemens AG 2011