High-Voltage Contactors

Gas-filled contactors for high-voltage safety disconnection up to 1500 V DC and 750 A DC

TDK’s High-Voltage Contactor (HVC) Series is designed to meet the demands of high-voltage and high-current DC applications, especially for disconnecting high-voltage lithium-ion batteries. The hermetically sealed and gas-filled ceramic arc chamber is based on more than 80 years of experience with gas tube technology. The HVC series can be used in a wide range of applications where fast and reliable disconnection of high DC voltages is required.

Product portfolio

Series	HVC43	HVC45	HVC27	HVC50
Current up to [A_DC]	250	300	500	750
Voltage up to [V_DC]	1000	1000	1000	1500
Construction	Single coil	Single coil	Single coil or dual coil	Dual coil
Bidirectional design	✔	✔	✔	✔
Auxiliary contacts	With and without mechanical contact	Mechanical contact (under development)	Contact with Hall sensor (optional)	Mechanical contact
Size [mm] (l x w x h)	Size without MC: 74.5 x 40.4 x 78.0 Size with MC: 74.5 x 40.5 x 78.0 mm	74.3 x 42.5 x 86.5	92.5 x 44.0 x 89.0	107.3 x 94.2 x 141.0
Weight [g]	~ 300	~ 390	~ 500	~ 1600
	Product data	Product data	Product data	Product data

Operating ranges at a glance

HVC43

HVC45

HVC27

HVC50

Current (A DC)

HVC43

HVC45

HVC27

HVC50

Voltage (V DC)

Function

The basic design consists of a moveable armature inside a hermetically sealed, gas-filled chamber. The armature is moved by an electromagnet and opens the contact to interrupt the high current. During disconnection of a high DC voltage normally an arc is generated.

Features

Highly accurate and fast switching

The hermetically sealed ceramic arc chamber is gas-filled for highly accurate fast switching and ensuring reliable operation over the whole lifetime.

The TDK High-Voltage-Contactor Series extinguishes in 1.2 ms with clear break of current.

The typical contactor part will extinguish in 4.6 ms with lots of fluctuations, which heats up the main contacts.

The TDK HVC series provides a longer lifetime and increased reliability compared with existing products due to

Less heat on the contacts
Less likely to become stuck
Less EMI

Contactless stuck detection – Hall

Advantages

Available as Normally Closed (HC) or Normally Open (HO)
Tack welding proof – no tack welding of aux. contact possible
More than 1 million switching cycles
Short circuit proof due to ProFET technology inside
The Hall switch reacts only to the south pole of the indicator magnet only and is resistant to lateral stray fields.

The Hall sensor indicates a “Make” or “Break” depending on the presence of the magnetic field from the indicator magnet. It acts as a switch depending on the presence of a certain magnetic field.
The indicator magnet is mounted to the axis, which is connected with the contact bridge. The up or down state of the axis changes the magnetic field sensed by the Hall sensor.

Mechanical stuck detection

Advantages

Auxiliary contact, complying with IEC60947-4-1 and IEC60947-5-1 and therefore only Normally Closed available
State of the art auxiliary contact
Easy design-in

The auxiliary contact is a mirror contact, mechanically linked to the main contact and normally closed (NC).

Single coil VS. dual coil

Single Coil

No additional current durig make (pick-up)
Operating power: 6 W, 0.5 A @ 12 V
No economizer required
Integrated coil termination

Dual Coil

Power during make (pick-up) 38 W, 3.2 A @ 12 V during 80...120 ms
Operating power: 4.2 W (0.35 A) @ 12 V
Hot-restartability (<1 s)
Works like an economizer but without the disadvantages of a PWM circuit
Integrated coil termination

Dual coil

High-voltage contactors are not designed to permanently switch under load
The device switches under load only in case of an emergency
Switching capability depends on voltage, current, inductance and resistance during break
Dual coil for increased lifetime of >50%: 3000 cycles with 300 A @ 450 V, 1000 cycles with 300 A @ 750 V

Bipolar contacts

The HVC has a bipolar design so that connection is possible regardless of polarity. This is a great advantage during assembly and also allows charging and discharging of a battery without using a second contactor.

Reliability

>1 million mechanical switching cycles

CE marking, complies with EC Low Voltage Directive 2014/35/EC

All our sites are certified according to the following standards:
ISO 9001, IATF 16949, ISO 14001

UL 60947-4-1 certified
File No: E491412

Tested in accordance with
AEC Q-200, Rev. D

Up to 1200 V DC operating voltage and 750 A DC continuous current capability.

Applications

DC Charger

Electrical and Commercial Vehicles

Energy Storage Systems

Battery Junction Boxes

Nominal coil voltage (V DC)	Max. operating voltage (V DC)	Continuous operating current (A)	Coil type	Auxiliary contact	Type
-	-	-	---	---	Accessory Cover shield
12, 24	1500	600, 750	Dual Coil	Yes	HVC50
12, 24	1000	150 - 250	Single Coil	Yes	HVC43-MC
12, 24	1000	250, 300	Single Coil	No	HVC45
12, 24	1000	300 - 500	Dual Coil, Single Coil	NO, YES	HVC27
12	900	500	Single Coil	No	HVC500B-12
12	900	135	Single Coil	No	HVC135A-12
12	900	200	Single Coil	No	HVC200A-12
12	900	300	Single Coil	No	HVC300A-12
12, 24	1000	150 - 250	Single Coil	No	HVC43
12	1000	500	Single Coil	No	HVC500B-12
12	1000	300	Dual Coil	No	HVC300A-12E
12	1000	300	Single Coil	No	HVC300A-12
12	1000	500	Dual Coil	Yes	HVC500B-12SE
12	1000	500	Dual Coil	No	HVC500B-12E
12	1000	500	Single Coil	Yes	HVC500B-12S
12	1000	300	Dual Coil	Yes	HVC300A-12SE
12	1000	300	Single Coil	Yes	HVC300A-12S
12	1000	200	Dual Coil	Yes	HVC200A-12SE
12	1000	200	Single Coil	Yes	HVC200A-12S
12	1000	200	Dual Coil	No	HVC200A-12E
12	1000	200	Single Coil	No	HVC200A-12
24	1000	500	Single Coil	No	HVC27-500C-24P
24	900	200	Single Coil	No	HVC200A-24
24	900	135	Single Coil	No	HVC135A-24
24	900	500	Single Coil	No	HVC500B-24
24	900	300	Single Coil	No	HVC300A-24
24	1000	300	Single Coil	No	HVC300A-24
24	1000	300	Dual Coil	Yes	HVC300A-24SE
24	1000	300	Single Coil	Yes	HVC300A-24S
24	1000	500	Dual Coil	Yes	HVC500B-24SE
24	1000	500	Single Coil	Yes	HVC500B-24S
24	1000	500	Dual Coil	No	HVC500B-24E
24	1000	500	Single Coil	No	HVC500B-24
24	1000	300	Dual Coil	No	HVC300A-24E
24	1000	200	Single Coil	No	HVC200A-24
24	1000	200	Dual Coil	Yes	HVC200A-24SE
24	1000	200	Single Coil	Yes	HVC200A-24S
24	1000	200	Dual Coil	No	HVC200A-24E

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Number of Products 189 Help

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Product resources

Step Files

A M6 inner thread and
B M8 outer thread

ZIP - 7.5 MB Download

Publications

Product Brief

High-Voltage Contactors

The Product Brief introduces the updated High-Voltage Contactor series. The gas-filled contactors of the HVC series are designed to disconnect high DC currents from Lithium Ion batteries. The hermetically sealed design offers high reliability even under harsh environmental conditions. Detailed technical information helps to select the appropriate High-Voltage Contactor.

Application Note

High-Voltage Contactors

Effect of inrush current on high-voltage contactors
Design and use of pre-charge circuits
Calculation of pre-charge timing

Get our latest Whitepaper

High current, high voltage DC switching

The High Voltage Contactor is a safety-relevant component, especially in electric mobility. It must safely disconnect very high currents and, at the same time, very high voltages in dangerous situations. The white paper describes the exact functionality.

Download now

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High-Voltage Contactors

Gas-filled contactors for high-voltage safety disconnection up to 1500 V DC and 750 A DC

Product portfolio

HVC43

HVC45

HVC27

HVC50

Operating ranges at a glance

Function

Features

Highly accurate and fast switching

The TDK HVC series provides a longer lifetime and increased reliability compared with existing products due to

Contactless stuck detection – Hall

Mechanical stuck detection

Single coil VS. dual coil

Dual coil

Bipolar contacts

Reliability

>1 million mechanical switching cycles

CE marking, complies with EC Low Voltage Directive 2014/35/EC

All our sites are certified according to the following standards:ISO 9001, IATF 16949, ISO 14001

UL 60947-4-1 certifiedFile No: E491412

Tested in accordance withAEC Q-200, Rev. D

Up to 1200 V DC operating voltage and 750 A DC continuous current capability.

Applications

DC Charger

Electrical and Commercial Vehicles

Energy Storage Systems

Battery Junction Boxes

Get data sheets and search

Product resources

Step Files

Publications

Product Brief

High-Voltage Contactors

Application Note

High-Voltage Contactors

Get our latest Whitepaper

High current, high voltage DC switching

Get in touch with the experts

Sales Network & Sites

Vertriebsnetz & Standorte

销售网点和工厂

販売網 & 工場

Social Media

Soziale Medien

社交媒体

ソーシャルメディア

Tradeshows & Events

Messen & Events

展览会

各種イベント

Product notice

Product Resources

Environmental Information

General information

All our sites are certified according to the following standards:
ISO 9001, IATF 16949, ISO 14001

UL 60947-4-1 certified
File No: E491412

Tested in accordance with
AEC Q-200, Rev. D