Beckwith Electric M-0121 and M0169A Auxiliary Current Transformer Units

Line Current, used for Line Drop Compensation, is provided by an Auxiliary

Current Transformer. The current transformer drops the line current to a

0.2 A full scale rating. The M 0121 or M 0169A can be used for CTs with

a 5 A secondary. The M 0169A can be used for CTs with either a 5 A or

8.66 A secondary.

Input

M‑0121: Nominal 5 A current transformer circuit.

M‑0169A: Nominal 5 A or 8.66 A current transformer circuit.

Output

Nominal 0.2 A ±5%, linear to 0.4 A.

Output Rating

M‑0121: (into M‑0067 terminals 3 to 4 or 5 to 6) 0.1 VA, 0.2 A current.

M‑0169A: 5 VA, 0.2 A current.

HI POT: 1500 Vac rms. Primary to secondary and either to case.

Mounting Dimensions

M‑0121: 5" x 2‑1/8" (12.7 cm x 5.1 cm), 4 holes, 7/32" (0.6 cm) diameter.

M‑0169A: 5‑5/8" x 3" (14.3 cm x 7.6 cm), 4 holes, 7/32" (0.6 cm) diameter.

Compliance

cULus‑Listed per 508 – NMTR.E155037 Industrial Control Equipment

– NMTR7.E155037 Industrial Control Equipment Certified for Canada

CAN/USA C22.2 No. 14‑M91

Terminal Block Connections/Torque Requirements

M‑0121: The wire should be No. 16–14 AWG inserted in an AMP #324915

(or equivalent) connector, and both screws

tightened to 16 inch‑pounds (1.8 N m) torque.

M‑0169A: The wire should be No. 12 AWG inserted in an AMP #35109

(or equivalent) connector, and both screws

tightened to 20 inch‑pounds (2.26 N m) torque.

Approximate Weight

M‑0121: 1 lb (0.45 kg)

M‑0169A: 2.5 lbs (1.1 kg)

Approximate Shipping Weight

M‑0121: 2 lbs (0.9 kg)

M‑0169A: 3.5 lbs (1.6 kg)

Warranty

M‑0121 and M‑0169A units are covered by a five year warranty from date of purchase.