High Voltage Contactors

RXC35 Series

Name: RXC35 Series high voltage DC contactor
Brand: Rincon Power
SKU: RXC35

The RXC35 Series are hermetically sealed high voltage DC contactors designed for medium-to-high current switching in demanding environments. Rated for continuous currents up to 350 A and system voltages up to 1,000 VDC, the RXC35 Series features integrated coil economization and optional auxiliary contacts for efficient operation and reliable position feedback. The hermetic seal protects internal components from moisture, dust, and contaminants, making these contactors suitable for mobile, industrial, and off-road applications where dependable DC power control is required.

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Continuous duty: 350 A+
System voltage: 1,000 VDC
Mechanical life: 300,000 cycles
Dielectric withstand: 2,200 VRMS

Features and applications

RXC35 at a glance

Features

Hermetic Ceramic Seal with gas fill for superior carry and switching performance
Optional auxiliary contacts for main position feedback
Integrated coil economizer for optimized power consumption
PCB mount option for direct system integration
Chassis mount and custom form factors available
Meets RoHS 2011/65/EU
IEC60947-4-1 compliant
Designed and Assembled in the USA

Typical applications

Heavy trucks and buses
Off-road and construction vehicles
Marine and maritime equipment
Battery energy storage systems (BESS)
Industrial equipment and machinery
Electric vehicle power distribution
Auxiliary and main DC power switching
Material handling and forklift systems
Agricultural and specialty vehicles

Datasheet

Graphs, dimensions, drawings and installation notes are in the RXC35 datasheet (Rev G).

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Datasheet specifications

RXC35 performance

Specifications
Contact Arrangement	Form X, SPST NO
Max Switching Voltage	1,000 VDC
Dielectric Withstand Voltage (Between Open Contacts and Coil)	2,200 VRMS (60 sec)
Dielectric Withstand Voltage (Between Contacts and Coil)	2,200 VRMS (60 sec)
Continuous Current (107 mm² conductor)	350 A
Overload Current 1 minute	850 A
Overload Current 10 minutes	450 A
Make and Break	See Table 2
Max Short Circuit Current - 20 ms	3,500 A
Min Insulation Resistance	100 MΩ @ 1,000 V
Contact Resistance (Max) measured at 200 A	0.3 mΩ
Contact Resistance (Typical) measured at 200 A	0.15-.25 mΩ
Operate Time (Max, incl bounce)	25 ms
Release Time (Max)	10 ms, (12 ms for 48 V Coil)
Shock - Functional, 1/2 Sine, 11 ms	20 G
Shock - Destructive, 1/2 Sine, 11 ms	50 G
Operating Temperature	-45°C to 100°C (175°C Max Terminal Temperature)
Ingress Protection	Exceeds IP69, (Hermetically Sealed)
Mechanical life	300,000

Auxiliary Contacts
Contact Arrangement	SPST
Continuous Current	2 A
Minimum Current	5 mA @ 8 V

Coil
Coil	12 VDC	24 VDC	48 VDC
Nominal Voltage	12 VDC	24 VDC	48 VDC
Max Voltage	16 VDC	32 VDC	85 VDC
Pick-up Voltage (Max)	8.5 VDC	15.0 VDC	32 VDC
Drop-out Voltage (Min)	0.6 VDC	1.2 VDC	2.5 VDC
Pull-in current (max 300 ms)	4.3 A	1.6 A	0.8 A
Holding Current	0.24 A	0.09 A	0.03 A
Coil Power (pull-in)	46 W	38 W	38 W
Coil Power (Holding)	2.9 W	2.2 W	2.2 W
Coil Back EMF (V) via internal TVS	150 V	150 V	0 V

Resistive Load Switching (Make / Break Data)
Voltage	Current	Cycles
Polarity Sensitive Version
450 V	350 A	2500
800 V	300 A	1500 (BREAK ONLY)
750 V	400 A	500
320 V	-300 A	12
750 V	50 A	20,000
450 V	100 A	50,000
1,000 V	350 A	300 (BREAK ONLY)

Table 2 of the RXC35 datasheet, Rev G, as printed. Resistive load; 1 cycle = 1 make + 1 break.

Datasheet notes

Dual coil economizer design: Pickup Voltage must be applied as a pulse. Do not ramp voltage.
Contactor may be used above Max Switching Voltage if the application does not require significant load breaking. Please contact Rincon Power for more details.
Attach cables and busbars directly to the main terminal pad using the recommended install torque. Do not use washers or other materials between the contactor power terminals and the conductor.
Rigid busbar structures have the potential to induce stress into the device and can damage the hermetic seal. When using busbars, it is important to design compliance into the bus bar structure via the use of flexible laminated busbars and or by means of incorporating adjustability in adjacent bolted interfaces.
Avoid excessive coil voltages. Exceeding the ratings on the datasheet may result in high coil temperature and coil failure.
Integrated coil suppression limits back EMF to 150 V.
Polarity Sensitive versions are marked + and - for the power terminals. For applications that require the contactor to switch under load, please ensure current is flowing from the + to the - terminal when breaking/opening under load For Bi-Directional versions the direction of current does not matter when breaking under load.
M5 mounting fasteners are compatible with thru-hole mounting applications. Ensure that the fastener shoulders overlap the compression inserts extending to the plastic shoulders of housing. Use a flat washer if necessary. Recommended installation torque: [3.4 - 4.6 Nm] - Based on stainless fasteners.
M4 fasteners are recommended for applications requiring precise alignment with corresponding threaded mounting features. Ensure that the fastener shoulders overlap the compression inserts extending to the plastic shoulders of housing. Use a flat washer if necessary. Recommended installation torque: [1.8 - 2.5 Nm] - Based on stainless fasteners.

From the RXC35 datasheet, Rev G. Download the datasheet for graphs, dimensions and installation.

Part numbers

Build your RXC35 part number

Choose each option and the part number updates. Only standard part numbers from the datasheet are offered. Copy it, or request a quote for that exact part.

Part number

RXC35P3PA

Contact Polarity

Mounting

Coil

Auxiliary Contacts

18 standard part numbers in the RXC35 SeriesRequest a quote for this part →

Options and part numbers from the RXC35 datasheet. Other combinations may be available as custom builds.