Series   21 - size 1-1/2" sq X 3-13/16"  long w/1/2"-14 NPT conduit outlet. Add 1/2" for bottom conduit hub

Contact  Choose One 1 - Single Pole Double Throw 3 - Single Pole Double Throw (c) Latching (Outlet must be 2,4 or 5) 5 - Double Make/Double Break 2 circuit (Z) 6 - Double Make/Double Breake 2 circuit Z Latching (Outlet must be 2,4, or 5)

Sensing  Choose One 1 - Standard Range 3/8" 7 - Precision Sensing 1/4"

Outlet    Choose One 1 - Behind Sensing area 2 - Left of Sensing Area 3 - Right of Sensing area 4 - Same Side as Sensing Area 6 - Bottom of enclosure

Enclosure  Choose One 1 - Brass - coated with flat black lacquer 2 - Stainless Steel 3 - Brass - corrosion resistant coating 4 - Stainless Steel w/corrosion resistant coating

Approvals  (Check One ONLY)

  3 - UL listed explosion proof for Class I,II,III;Div 1, Groups ABCDEFG; Class I,II,III; Div 3, Groups ABCDFG. Conduit

             connected with 18" minimum potted in UL listed leads or cable. Enclosure must be 2 or 4

  4 - CSA/FM certified explosion rpoof for Class I,II,III;Div 1, Groups ABCDEFG; Conduit connected, heavy pilot duty with

            18" minimum potted-in CSA listed leads or cable. Enclosure must be 2 or 4

  5 - Mine Safety Health Admin (MSHA) approved for Explosion Proof, File #X/P-1504-1, X/P-1504-2; 6ft potted-in

            SO cable only. Enclosure must be 2, Terminations must be B3.

6 - CSA/FM certified Class I,II,III;Div. 2, Groups ABCDFG; conduit connected, heavy pilot duty with 18" minimum potted-in

           CSA listed leads or cable.

7 - CSA certified General Purpose

8 - UL Listed General Purpose

0 - CSA/FM certified Class I,II,III;Div 2 Groups ABCDFG; Terminal Block

A - SAA: Ex s IIC T6 IP65; Class I Zone 1 & 2; Ex s IIC t6 IP65; Class 1 Zone 0; DIP Class II (Must be connected to Ex ia

            barrier supply (barrier)). Terminations must be F.

B - SAA: High Temp 350 deg F: Ex s IIC T6 IP65; Class 1 Zone 1&2; Exs IIC T6 IP65; Class 1 Zone 0; DIP Class II (Must

           be connected to EX ia supply (barrier)). Terminations must be F.

C - SAA: EX e IIC T6 IP65; Class I Zone 1 (Rated to 275VAC) Terminations must be 00.

Terminations

(choose one only)

00 - Terminal block only (not recommended for underwater use.  Approval must be 0, 7 or 8.

Termination A Lead Wires. 16 ga potted-in PVC insulated AWM/TEW stranded lead wires reated at 221 deg F

600V UL/CSA listed

A2 - 36" leads

A3 - 72" leads

A4 - 144" leads

Lengths greater than 144". Specify length in feet

Termination B Cable. 16 ga potted-in SO rubber covered cable rated at 194 deg F. 600V UL/CSA listed

B2 - 36" leads

B3 - 72" leads

B4 - 144" leads

Lengths greater than 144". Specify length in feet

Termination D Male Quick Disconnect only, potted in connector. (CSA requires a ground, Approval must be 7 or 8)

DCA - 3-pin Mini-change type

DCD - 4-pin Mini-change type

DCG - 5-pin Mini-change type

DBA - 3-pin Micro-change type

DBD - 4-pin Micro-change type

DBG - 5-pin Micro-change type

Subsea Underwater Connector

3DD - 3 pin Impulse type certified to not leak underwater (Enclosure must be 2 or 4)

4DD - 4 pin Impulse type certified to not leak underwater (Enclosure must be 2 or 4)

3DE - 3 pin Impulse type certified to not leak under water (Enclosure must be 2 or 4)

4DE - 4 pin Impulse type certified not to leak under water (Enclosure must be 2 or 4)

Termination F 18 ga potted-in teflon insulated leads rated at 482 deg F. 600V UL/CSA listed.

F2 - 36" leads

F3 - 72" leads

F4 - 144" leads

Lengths greater than 144". Specify length in feet.

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