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SIEMENS 40DP32AF 3-pole magnetic contactor, open frame, screw terminals, surface mount, grey enclosure

SIEMENS

SIEMENS 40DP32AF 3-pole magnetic contactor 27 A 120 V AC

SKU CH-2R0D-E93WF

A 27 A, 3-pole magnetic contactor for 110/120 V AC coils with surface-mount screw terminals

  • Product typeIndustrial Electrical Controls & Automation
  • NEMA Size 1 contactor handles 27 A inductive loads
  • 3-pole non-reversing design switches three-phase circuits
  • 110/120 V AC coil voltage suits standard control panels
  • Screw terminals provide secure field wiring connections
  • Surface-mount enclosure fits 4.31 in height by 4.25 in width

Siemens 40DP32AF Contactor

This Siemens 40DP32AF is a three-pole magnetic contactor rated for 27 amps inductive load at 110/120 V AC. It belongs to the NEMA Size 1 series 40 range and is built for surface mounting in industrial control panels. The unit includes one normally open auxiliary contact with capacity for up to eight auxiliary modules.

For motor control without reversal

It suits electricians and panel builders wiring non-reversing motor starters, lighting banks or resistive heating circuits where a NEMA-rated contactor is specified. The open design means it must be installed inside a suitable enclosure. Buyers needing built-in overload protection, a reversing contactor or a higher inductive current rating should look at other models.

27 A inductive at 120 V AC coil

The defining figure is the 27 A full-load inductive current at the 110/120 V AC coil voltage. If the load exceeds this value or the control circuit uses a different coil voltage, this contactor will not perform as required. Screw terminals accept standard copper conductors for straightforward wiring.

How it compares

Measured against everything we stock in Electrical Enclosures & Cabinets, at today’s prices. Recalculated every night.

Price $350.99
Pricier than about 90% of the 1,411 comparable items (median $39.99).

Specifications

Product
Brand nameSIEMENS
Product typeIndustrial Electrical Controls & Automation

Questions about this item

What power supply and control wiring do I need to operate the 110/120 V AC coil on this contactor?

Provide a 110 V or 120 V AC control circuit rated for the coil and connect it to the screw terminals; the main circuit must be protected by a suitable branch-circuit breaker or fuse.

Can I use this NEMA Size 1 contactor with existing NEMA Size 0 starters in the same panel?

Yes, the 4.31 in height and 4.25 in width match standard NEMA Size 1 mounting, so it fits alongside Size 0 devices on the same DIN rail or back-plate spacing.

How do I confirm the 1 NO auxiliary contact is switching when the coil is energised?

Measure continuity across the auxiliary terminals with a multimeter while applying 110/120 V AC to the coil; the contact should change from open to closed.

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