Siemens

Siemens 3KD4634-0QE40-0

Switch disconnector 630 A, Size 4

MPN: 3KD4634-0QE40-0
Category: Basic Devices

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What is the Siemens 3KD4634-0QE40-0?

Switch disconnector 630 A, Size 4, 3-pole Side operating mechanism right Basic unit without handle flat terminal

Specifications

Model

product brand name	SENTRON
product designation	3KD switch disconnector
design of the product	Switch
display version for switch position indicator door-coupling rotary operating mechanism	ON-OFF
design of the actuating element	Without handle
type of the driving mechanism	Side operating mechanism
type of the driving mechanism motor drive	No

General technical data

number of poles	3
type of device	fixed mounting
size of switch disconnector	4
mechanical service life (operating cycles) typical	8 000
electrical endurance (operating cycles) — at AC-23 A at 690 V	1 000
electrical endurance (operating cycles) — at DC-23 A at 440 V	1 000
I2t value — with closed switch at 1000 V for combination switch +gG/aM SITOR fuse maximum	647 250 A²·s
I2t value — of the fuse at 500 V maximum permissible	5 400 005 A²·s
I2t value — of the gG fuse at 690 V maximum permissible	3 760 005 A²·s
I2t value — of the gG/aM SITOR fuse at 1000 V maximum permissible	520 000 A²·s
I2t value — of the molded case circuit breaker at 415 V maximum permissible	16 000 000 A²·s
position of the switch operating mechanism	at the right end
overvoltage in percent relative to the operating voltage at AC at 400, 500, 690 V at 50/60 Hz	10 %
overvoltage category	IV
degree of pollution	3

Voltage

operating voltage with current paths in series — with degree of pollution 2 at DC rated value	440 V / 3
operating voltage with current paths in series — with degree of pollution 3 at DC rated value	440 V / 3
insulation voltage — rated value	1 000 V
surge voltage resistance rated value	12 kV
operational current at AC-22 A at 1000 V maximum	630 A
let-through current of the fuse at 500 V maximum permissible	118 000 A
let-through current of the gG fuse at 690 V maximum permissible	90 600 A

Supply voltage

operating voltage at AC rated value

690 V

Protection class

protection class IP	IP00
protection class IP — with closed switch with cover or cable lug cover	IP20
protection class IP — on the front	IP00

Dissipation

power loss [W] — with conventional rated thermal current per pole	17 W
power loss [W] — with conventional rated thermal current per device	51 W
power loss [W] — for rated value of the current at AC in hot operating state per pole	17 W

Main circuit

operating power — at AC-23 A at 500 V rated value	400 kW
operational current rated value	630 A

Auxiliary circuit

number of connected NC contacts for auxiliary contacts	0
number of connected NO contacts for auxiliary contacts	0
number of connected CO contacts for auxiliary contacts	0
number of CO contacts for auxiliary contacts	0
number of NC contacts for auxiliary contacts	8
number of NO contacts for auxiliary contacts	8

Suitability

suitability for use main switch	Yes
suitability for use switch disconnector	Yes
suitability for use EMERGENCY OFF switch	No
suitability for use according to IEC 62626-1 safety switch	No
suitability for use maintenance/repair switch	Yes

Product details

product feature interlock	No
product component — trip indicator	No
product component — voltage trigger	No
product component — undervoltage release	No
product component — undervoltage release with leading contact	No
product extension auxiliary switch	Yes
product extension optional motor drive	No
product extension optional voltage trigger	No

Short circuit

short-time withstand current (Icw) at 1000 V AC/440 V DC limited to 1 s rated value	30 kA
short-circuit current making capacity (Icm) for switch disconnector — at 1000 V AC without fuse link rated value minimum	80 kA
short-circuit current making capacity (Icm) for switch disconnector — at DC 440 V without fuse link rated value minimum	42.6 kA
short-circuit current making capacity (Icm) for switch disconnector — without fuse link rated value minimum	80 kA
conditional short-circuit current with line-side fuse protection — at 415 V by molded case circuit breaker rated value	65 kA
conditional short-circuit current with line-side fuse protection — at 500 V by gG fuse rated value	100 kA
conditional short-circuit current with line-side fuse protection — at 690 V by gG fuse rated value	100 kA

Connections

type of connectable conductor cross-sections for aluminum conductor — stranded with lug	1x (25 ... 240 mm²), 2x (25 ... 240 mm²)
type of connectable conductor cross-sections — with combination of Al conductor+switch	620 A / 2 x 240 mm²
type of connectable conductor cross-sections — for copper busbar	'1 x (40 x 10 mm²), 2 x (40 x 5 mm²)
type of connectable conductor cross-sections for copper conductor — stranded with lug according to DIN 46234	1x (25 ... 240 mm²), 2x (25 ... 240 mm²)
type of connectable conductor cross-sections for copper conductor — stranded with lug according to DIN 46235	1x (25 ... 240 mm²), 2x (25 ... 240 mm²)
type of electrical connection for main current circuit	flat connector

Mechanical Design

height	235 mm
width	271 mm
depth	112 mm
fastening method	screw fixing
fastening method — 4-hole front mounting	No
fastening method — front mounting with central attachment	No
fastening method — rail mounting	No
mounting position	any
Net Weight	7.366 kg

Environmental conditions

ambient temperature during operation — minimum	-25 °C
ambient temperature during operation — maximum	70 °C
ambient temperature during storage — minimum	-50 °C
ambient temperature during storage — maximum	80 °C

Certificates

reference code according to IEC 81346-2

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3KD4634-0QE40-0PDF

3KD4634-0QE40-0: frequently asked questions

When can 3KD4634-0QE40-0 be shipped?

3KD4634-0QE40-0 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3KD4634-0QE40-0 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3KD4634-0QE40-0 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3KD4634-0QE40-0, subject to availability and destination.