Siemens TCN2 Installation Instructions Download Page 1

Siemens Energy & Automation, Inc.
Bellefontaine, Ohio 43311 U.S.A.

Installation Instructions

Item: Cat. No. TCN2, TCN3 Plug-In Adapters
For use with: SIEMENS

®

MD, ND, MM, NM, MF & NF Frame

Circuit Breakers Types: MXD6, NXD6, MM6, MMK, NM6, NMK,
HMXD6, MD6, MFC, MFF, ND6, NFC, NFF, HMD6, HND6,  CMD6,
CND6, SMD6, DND6, SHMD6, SHND6, SCMD6, SCND6, HNXD6.
Molded Case Switch Type MXD6, NXD6, MD6, ND6, CMD6, CND6,
and Motor Circuit Interrupter Types: MXD6ETI, CMD6ETI, MD6ETI,
ND6ETI, in conjunction with plug-in-mounting    assemblies Cat.
No.’s PC5664, PC5666 and PM5666.
Page of 2
Pc. No. 410905A01

Hazardous voltage.
Will cause death or
serious injury.

Turn OFF and lock out all
power supplying this
device before installing
or servicing accessory.

SAFETY INSTRUCTIONS

NOTE:  This instruction outlines the recommended
installation procedure.

1. Circuit Breaker Preparation

The circuit breaker should be in the OFF/”O”

position before installing the plug-in-tulip adapter
kit.  Turn off and lock out all power supplying this
device before installing.  Verify that 

NO voltage

is present before proceeding with task.

Fig. 4

2. Loosen four breaker terminal shields screws (6)

and remove both line and load side terminal
shields (7).

3. Place terminal stabs (8) on back of breaker in

recess provided in base molding.  Secure in
place with 5/16-18 hex head bolts (11) furnished.
Tighten these bolts to 96 In.-Lbs. (8 Ft.-Lbs.)
[10.84 N/m] to assure a good electrical connec-
tion.  Repeat this procedure for the remaining
tulip clip assemblies.

4. INSERT END SHIELDS (12) INTO SLOTS PRO-

VIDED AT LINE AND LOAD END OF
BREAKER.

5. Affix label (13) to front of circuit breaker as shown

in Fig. 4.

Dimensions

Inches

[Millimeters]

.25

[6.35]

Reviews: