MODEL: A-33

A-33 SPECIFICATIONS

ES-8193 Rev.4 Page 1/2

http://www.m-system.co.jp/

Lightning Surge Protectors for

Electronics Equipment M-RESTER

DIN RAIL MOUNTING ADAPTER

Functions & Features

• Used for mounting MDP type lightning surge protectors on

a DIN rail

MODEL: A-33

ORDERING INFORMATION

• Code number: A-33

GENERAL SPECIFICATIONS

Mounting: M4 × 8 screws with washer (two; attached)

Material: Flame-resistant resin (black)

INSTALLATION

Operating temperature: -20 to +80°C (-4 to +176°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Weight: 25 g (0.88 oz)

GROUNDING

A crossover wire between M-RESTER ground (G) and ground (G) of the protected equipment is required for protetion as

indicated in the figure below.

M-RESTER

PROTECTED

EQUIPMENT

G

G

CROSSOVER WIRE

GROUNDING

(100 ohms or less)

If the protected equipment has no ground terminal, ground the

M-RESTER only. The mounting screw of the A-33 serves as the

ground (G) terminal. Connect the crossover wire to this terminal.

EXTERNAL DIMENSIONS unit: mm (inch)

23 (.91)

8.5 (.33)

[3.3 (.13)]

2–M4 MTG SCREW

DIN RAIL

35mm wide