PNC113BDA NC Contactor 30A

Sensata Gigavac PNC113BDA is a sealed PNC113 normally closed MiniTACTOR, 30A, 1500VDC switching, 12VDC coil, M4/M3 stud terminals

Overview

Overview

Sensata Gigavac PNC113BDA Normally Closed DC Contactor

The Sensata Gigavac PNC113BDA is a sealed normally closed DC contactor from the PNC113 MiniTACTOR Series, designed for compact HVDC discharge and dump switch applications. It provides a 30A contact rating, 1500VDC maximum switching voltage, 12VDC coil operation, M4 power studs, and M3 coil studs. This model is suitable for capacitor discharge circuits, DC bus discharge modules, battery energy storage equipment, solar systems, power conversion equipment, high-voltage test systems, and safety discharge applications. In this model, 1500VDC refers to the main contact switching voltage, while 12VDC refers to the coil voltage used to operate the contactor.

Category	Relays - Contactors (Electromechanical)
Manufacturer	Sensata-Gigavac Clean Energy
Series	PNC113 MiniTACTOR
Packaging	Bulk
Part Status	Active
Mounting Type	Chassis Mount
Coil Voltage	12VDC
Contact Form	SPST-NC (DB) (1 Form Y)
Contact Rating Current	30 A
Switching Voltage	1500VDC - Max
Features	Sealed - Hermetically
Termination Style	Stud
Operating Temperature	-40°C ~ 85°C
Mechanical Life	100,000 Cycles
Auxiliary Contact	None
IP Rating	IP69K
Power Terminals	M4 Studs
Coil Terminals	M3 Studs
Weight	135 g

Product Description

The Sensata Gigavac PNC113BDA DC contactor is a compact normally closed MiniTACTOR designed for high-voltage DC discharge and dump switching circuits. Unlike standard normally open contactors, the PNC113BDA contact path is closed when the coil is not energized and opens when the 12VDC coil is energized. This makes it useful in systems where a discharge path must be available by default, such as capacitor discharge, DC bus bleed-down, and safety dump circuits.

The PNC113BDA uses an SPST-NC contact arrangement, also described as 1 Form Y. The main contact rating is 30A, and the maximum switching voltage is 1500VDC. The 1500VDC value belongs to the main power switching path, while the 12VDC value belongs only to the coil circuit. This separation allows a control system to manage a high-voltage DC discharge path through a lower-voltage coil signal.

A key advantage of the Sensata Gigavac PNC113BDA is its hermetically sealed contact chamber. The sealed design helps protect the contact system from dust, moisture, oxidation, and contaminated environments. This is important for energy storage systems, solar equipment, high-voltage battery packs, industrial power electronics, and outdoor DC control boxes where environmental exposure can reduce the reliability of ordinary open-frame relays.

The PNC113 MiniTACTOR platform is built as a small, lightweight, and cost-effective solution for HVDC discharge applications. It is not position sensitive and can be mounted in any orientation, which gives engineers more flexibility when designing compact power modules or discharge assemblies. The PNC113BDA uses M4 power studs and M3 coil studs, supporting secure connections in panel-mounted and chassis-mounted systems.

Key Features

Genuine Sensata Gigavac PNC113 Series MiniTACTOR
Normally closed SPST-NC contact arrangement
30A contact rating for HVDC discharge circuits
1500VDC maximum switching voltage
12VDC coil for control circuit operation
No auxiliary contact for simplified discharge designs
Hermetically sealed construction for clean switching
Stud termination with M4 power studs and M3 coil studs
Compact 135 g design for space-limited power modules
Designed for capacitor discharge and dump switch applications

Applications

The PNC113BDA DC contactor is commonly used in systems that require a normally closed high-voltage discharge path. Typical applications include capacitor discharge circuits, DC bus discharge modules, battery energy storage systems, solar photovoltaic equipment, inverter systems, high-voltage test equipment, industrial power conversion, and EV auxiliary safety circuits.

In a battery or power electronics system, the Sensata Gigavac PNC113BDA can be used as a dump switch, discharge contactor, bleed-down contactor, or safety discharge device depending on the circuit design. Because it is normally closed, it should be selected when the system requires the contact path to remain closed without coil power. For main battery switching or load disconnect positions that require a normally open contactor, a different P Series, GV Series, GX Series, or HX Series model may be more suitable.

Why Choose Sensata Gigavac PNC113BDA

The Sensata Gigavac PNC113BDA is a practical choice when the design requires a compact 30A normally closed DC contactor with 1500VDC switching capability and 12VDC coil operation. Compared with normally open contactors, this model is better suited for default-closed discharge circuits. Compared with open-frame relays, the hermetically sealed construction provides better protection in demanding DC environments.

For replacement and maintenance projects, PNC113BDA should be selected when the original system requires PNC113 Series performance with SPST-NC contact form, 30A current rating, 1500VDC maximum switching voltage, 12VDC coil voltage, M4 power studs, and M3 coil studs. Before ordering, confirm the contact logic, coil voltage, switching voltage, discharge current, mounting space, and terminal requirements.

FAQ

Q1: What is the full product name of PNC113BDA?
A1: The full product name is Sensata Gigavac PNC113BDA Normally Closed DC Contactor.

Q2: Is PNC113BDA normally open or normally closed?
A2: PNC113BDA is normally closed. Its contact form is SPST-NC, also described as 1 Form Y.

Q3: What is the main switching voltage?
A3: The main switching voltage is up to 1500VDC maximum.

Q4: What does 12VDC mean?
A4: 12VDC is the coil voltage used to operate the contactor, not the main load voltage.

Q5: What is the current rating?
A5: The contact rating current is 30A.

Q6: Where is PNC113BDA commonly used?
A6: It is commonly used in capacitor discharge, DC bus discharge, dump switch, solar, energy storage, and high-voltage power electronics applications.

PNC113BDA NC Contactor 30A

Sensata Gigavac PNC113BDA is a sealed PNC113 normally closed MiniTACTOR, 30A, 1500VDC switching, 12VDC coil, M4/M3 stud terminals

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