Siemens 48-HASA3M Instructions

Instructions
THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT, NOR 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
November, 2003
ARISE WHICH ARE NOT COVERED SUFFICIENTLY FOR THE PURCHASER'S PURPOSES,THE MATTER SHOULD BE
REFERRED TO THE LOCAL SIEMENS SALES OFFICE.
Supersedes Issue of
THE CONTENTS OF THIS INSTRUCTION MANUAL SHALL NOT BECOME PART OF OR MODIFY ANY PRIOR OR
March, 2000
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.
(For Separate Mounting or Replacement for Magnetic Starters)
DESCRIPTION:
Class 48 self-powered solid-state overload relays generate their
own running power and do not need a separate source of 120V
to power the circuit board. The overload also provides phase
loss protection for the motor by tripping within three seconds
when there is a complete loss of one phase of the three phase
motor branch circuit (Trip curves for Class 10, 20, and 30 over-
loads are shown in Fig.1). Each overload has a current adjust-
ment range with the adjustment dial reading out in motor full
load amps (FLA). In addition to the markings on the dial, there
are audible clicks which allow for extremely fine tuning. Note
that while thermal overloads require a heater selection based on
a relatively wide range, these overloads have many clicks cover-
ing the same ampere range Fig 2.
* Hot trip times will vary depending on previous running condition, duty cycle, and length of "OFF" time.
Siemens Energy & Automation, Inc. 3333 Old Milton Parkway Alpharetta, GA 30005
IMPORTANT
Figure 2
For replacement parts information or an application guide, visit
our website at www.sea.siemens.com or contact your local
Siemens sales office.
Class 20 Single
Catalog Phase
Number CT Range
48ASA3M20 –
48ASB3M20 –
48ASD3M20 –
48ASE3M20 –
48ASF3M20 –
48ASG3M20 –
48ASA1M20 0.25 – 1
48ASB1M20 0.75 – 3
48ASD1M20 2.5 – 10
48ASE1M20 5 – 16
Note:
1. For Class 10 overload protection, change last two digits of
catalog number from "20" to "10" (i.e. 48ASB3M10).
2. For Class 30 overload protection, change last two digits of
catalog number from "20" to "30" (i.e. 48ASB3M30
Figure 1
48-HASA3M
Solid-State Overload Relay with Phase
Loss Protection for
Three Phase Motors
3 Phase Replacement for
CT Range Starter Sizes
0.25–1 0,1
0.75–3 0,1
2.5–10 0,1
9–18 0,1
13–27 1,1¾
20–40 1¾
– 0,1
– 0,1
– 0,1
– 0,1
(For Engineering Reference Only - Rev. E )
Class 48
).