TNI21

No, the TNI21 is rated for NEMA Type 1 indoor enclosures only. For outdoor applications, consider NEMA Type 3R-rated models.

The TNI21 operates at 240 Volts AC, suitable for industrial power distribution systems.

The TNI21 accepts Class H, J, or R fuse kits, providing flexibility for overcurrent protection in industrial applications.

The TNI21 includes a neutral kit (TNI21) for 3-pole/3-wire configurations, enabling compatibility with grounded electrical systems.

Yes, auxiliary contact kits (THAUX21D for DPDT or THAUX61S for SPDT) can be field-installed for monitoring and control integration.

Yes, the TNI21 includes a ground kit (DT100NK) for proper grounding and bonding in electrical systems.

The TNI21 is ideal for service entrance equipment, lighting, HVAC, and machinery applications requiring reliable disconnect and overcurrent protection.

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