MoellerNZM6-1603-Pole 160 A Frame Molded Case Circuit Breaker, Adjustable Thermal and Magnetic Trip, 690 V AC IEC / 600 V AC UL

Product Description

What this part is:

Moeller (Klöckner Moeller) NZM6-160, a three-pole molded case circuit breaker in the 160 A frame with adjustable thermal and magnetic trips. Under IEC/EN 60947-2 it is an inverse-time molded case circuit breaker; under UL 508 and CSA 22.2 No. 14 it is listed as an HP-rated three-pole manual motor disconnect with built-in thermal overload trips. Frame only: the operating handle is a separate catalogue accessory in this series. Unit Quantity: 1 Pc.

Decoding the designation:

NZM — Moeller molded case circuit breaker / motor disconnect switch family.

6 — frame series 6, covering 63 A, 100 A and 160 A frames.

160 — frame rating in amps.

ZM6 — interchangeable trip module for this frame (ZM6-125 or ZM6-160); the trailing number in codes such as ZM6-125-2000 gives the top of the adjustable magnetic trip range.

Specifications:

Poles: 3. Frame Rating: 160 A. Rated Operational Voltage: 690 V AC per IEC/EN 60947-2; 600 V AC under UL/CSA. Thermal Trip Range (ZM6-160 class module): 100 to 160 A adjustable. Magnetic Trip Range (ZM6-160 class module): 1000 to 2000 A adjustable. Short-Circuit Current Rating, NZM6B with ZM6 trip (UL/CSA): 25 kA at 240 V AC, 25 kA at 480 V AC, 14 kA at 600 V AC. Standards: IEC/EN 60947-2, UL 508, CSA 22.2 No. 14; CE marked. Terminals: line and load field-wiring terminals for cable connection. Mounting: Panel mount. Country of Origin: Germany. Unit Quantity: 1 Pc.

Dimensions and mounting:

Panel mount frame. Operating handle, rotary handle extensions, shunt and undervoltage trips, auxiliary and alarm switches and terminal shrouds are separate catalogue accessories for the NZM6 series.

Compatibility and replacement:

NZMH6-160 is the high-fault current-limiting version: 100 kA at 240 V AC, 65 kA at 480 V AC, 25 kA at 600 V AC. N6-160-CNA is a non-automatic disconnect switch with no trip unit, rated 10 kA at 600 V AC. NZM9-250 is a different frame with different footprint and ratings. The NZM6 generation is legacy Moeller, superseded by Eaton NZM1 to NZM4. Alternate written forms: NZM6-160, NZM6160, NZM 6-160, NZM6B-160.

Frequently asked questions:

What is the frame rating of the Moeller NZM6-160?

160 A, three-pole.

What voltage is it rated for?

690 V AC under IEC/EN 60947-2 and 600 V AC under UL/CSA.

What trip adjustment does it have?

Adjustable thermal trip and adjustable magnetic trip, set by the ZM6 trip module.