Drawout Device

Definition

A drawout device is composed of the moving part (also called the device) and the fixed part (or chassis).

Drawout Device Moving Part Description

The following image shows the standard version of the moving part of a drawout device (no optional accessories).

A Carrying grip

B Arc chute

C Blue fault-trip reset button

D Opening pushbutton

E Closing pushbutton

F Spring charging handle

G Terminal block connectors

H Front cover

I VBP pushbutton locking cover (optional)

J Rating plate

K Spring charged and ready-to-close indicator

L Main-contact position indicator

M Window to consult the (optional) CDM mechanical operation counter

N Control unit

O Control unit transparent cover

Drawout Device Accessories Description

The following image shows the accessories available for the moving part of a drawout device.

A VDC mismatch protection

B Terminal block connectors for optional accessories

C Terminal block connectors for standard accessories

D Optional block of four OF indication contacts or EF combined connected/closed contacts

E Four OF indication contacts (delivered as standard)

F KMT grounding kit

G MCH gear motor

H CDM mechanical operation counter

Z1, Z2 See following images

The following images zoom in on the accessories for the moving part of a drawout device.

I Standard SDE1 fault-trip indication contact

J Optional SDE2 fault-trip indication contact or RES electrical remote reset

K Microswitch

L IBPO interlock between racking handle and opening pushbutton

M M2C programmable contacts or ESM ERMS switch module

N Isolation module

O MN undervoltage release or MX2 opening voltage release

P MX1 opening voltage release

Q PF ready-to-close contact

R XF closing voltage release

S BPFE electrical closing pushbutton

T VCPO OFF-position locking by padlocks

U VSPO OFF-position locking by keylocks

Chassis Description

The following image shows the standard version of the chassis (no optional accessories).

A Carrying grip

B ULP port module

C Terminal blocks supplied as standard

D Terminal block identification plate

E Top safety shutter

F Bottom safety shutter

G Rail release tab

H Drawout grip

I Extension rail

J Racking handle storage space

K Racking handle

L Moving part position indicator

M Racking handle socket

N Position release button

O Chassis locking by padlocks

P Latch for switching chassis locking from disconnected position to any position (connected, test, disconnected)

Q Shutter locking block

Chassis Accessories Description

The following image shows the accessories available for the chassis.


A VDC mismatch protection B Drawout device position contacts C Optional terminal block D Cord between ULP port module and EIFE interface E EIFE embedded Ethernet interface F Circuit breaker auxiliary terminal shield	G VPOC open-door racking interlock H VIVC shutter position indication and locking I IBPO interlock between racking handle and opening pushbutton J VSPD chassis locking by keylocks K VPEC door interlock

Chassis Terminal Block Description

Terminal block supplied as standard on the chassis

Optional terminal block on the chassis

(1) Supplied as standard with chassis for MasterPacT MTZ2/MTZ3 circuit breakers only

(2) Supplied as standard with 3P chassis only

Assignment of Terminal Blocks

The following table describes the assignment and the availability of the terminal blocks for drawout circuit breakers and switch-disconnectors:

Standard terminal blocks are delivered on the chassis, even if the associated optional accessories are not installed in the device.
Optional terminal blocks are delivered on the chassis only if the associated optional accessories are installed in the device.
N/A indicates that the terminal blocks and the associated optional accessories are not compatible with the device.

Block	Marking	Description	Circuit breaker	Switch-disconnector
A	CD1–CD3 CE4–CE6	3 CD disconnected position contacts or 3 CE connected position contacts	Optional	Optional
B	COM	ULP port module	Standard	N/A
	UC1	Zone selective interlocking (ZSI), rectangular sensor for earth-leakage protection, or MDGF module input	Standard	Standard
	UC2	Neutral external sensor, rectangular sensor for earth-leakage protection, or MDGF module input	Standard	Standard
	SDE2/RES	SDE2 additional fault-trip indication contact	Optional	N/A on MasterPacT MTZ NA, HA, HA10 Optional on MasterPacT MTZ2 HF, HH
	SDE2/RES	or RES electrical remote reset	Optional	N/A
	UC4	External voltage connector	Optional	N/A
	UC3	External voltage connector	Standard on 3P circuit breakers	Standard on 3P switch-disconnectors
	UC3	External voltage connector	Optional on 4P circuit breakers	N/A on 4P switch-disconnectors
	M2C/ESM	M2C programmable contacts or ESM ERMS switch module	Optional	N/A
	SDE1	SDE1 fault-trip indication contact	Standard	Standard
	CE1–CE3 CT4–CT6	3 CE connected position contacts or 3 CT test position contacts	Optional	Optional
C	MN/MX2	MN undervoltage release or MX2 opening voltage release	Standard	Standard
	MX1	MX1 opening voltage release	Standard	Standard
	XF	XF closing voltage release	Standard	Standard
	PF	PF ready-to-close contact	Standard	Standard
	MCH	MCH gear motor	Standard	Standard
D⁽¹⁾	OF11–OF24 EF11–EF24	8 OF indication contacts or 8 EF combined connected/closed position auxiliary contacts	Optional	Optional
	OF1–OF4	4 OF indication contacts	Standard	Standard
	CT1–CT3 CD4–CD6 CE7–CE9	3 CT test position contacts or 3 CD disconnected position contacts or 3 CE connected position contacts	Optional	Optional
D⁽²⁾	OF11–OF22 EF11–EF22	6 OF indication contacts or 6 EF combined connected/closed position auxiliary contacts	Optional	N/A
	OF1–OF4	4 OF indication contacts	Standard	Standard
	EIFE	EIFE embedded Ethernet interface	Optional	N/A
(1) Without EIFE interface (2) With EIFE interface