Locking Devices
TWIST-LOCK Devices
Switched Enclosure
CIRCUIT-LOCK Unfused Safety Shroud TWIST-LOCK®
Mechanical Interlock
UL Listed, CSA Certified TYPE 4,
4X and TYPE 12K Enclosure Rating
IP66
SUITABILITY
3.19"
(81.0)
4.88"
(124.0)
Ordering Information
This unit is a complete enclosure ready to accept any 20 or 30A watertight
Safety-Shroud Twist-Lock receptacle.
Description
Mechanical Interlock
accommodates 20A or 30A
watertight Safety-Shroud
Twist-Lock receptacles.
Ratings
Catalog Number
Amperage, voltage and HP ratings
HBLMITL
will be determined by the choice
of the watertight Safety-Shroud
Twist-Lock selected. Suppiled With 3/4” Hub.
11.44"
(290.6)
Accepts the following watertight Safety-Shroud Twist-Lock receptacles:
20A
Rating
2 Pole, 3 Wire
3 Pole, 4 Wire
4 Pole, 5 Wire
NEMA Config. Max.
Voltage
Reference
HP
AC
Number
Rating
120
L5-20
1
208-240
L6-20
2.5
277
L7-20
3
120/240
L14-20
2.5
240 3Ø
L15-20
5 (3@208V)
480 3Ø
L16-20
10
120/208 3ØY L21-20
3
Use Watertight
Safety Shroud
Twist-Lock
Plug Cat. No.
HBL2311SW
HBL2321SW
HBL2331SW
HBL2411SW
HBL2421SW
HBL2431SW
HBL2511SW
Receptacle
Catalog
Numbers
HBL2310SW
HBL2320SW
HBL2330SW
HBL2410SW
HBL2420SW
HBL2430SW
HBL2510SW
NEMA Config.
Voltage
Reference
AC
Number
120
L5-30
208-240
L6-30
120/240
L14-30
240 3Ø
L15-30
480 3Ø
L16-30
600 3Ø
L17-30
120/208 3ØY L21-30
Use Watertight
Safety Shroud
Twist-Lock
Plug Cat. No.
HBL2611SW
HBL2621SW
HBL2711SW
HBL2721SW
HBL2731SW
HBL2741SW
HBL2811SW
Receptacle
Catalog
Numbers
HBL2610SW
HBL2620SW
HBL2710SW
HBL2720SW
HBL2730SW
HBL2740SW
HBL2810SW
4.19"
(106.4)
HBLMITL
30A
Rating
2 Pole, 3 Wire
3 Pole, 4 Wire
4 Pole, 5 Wire
Max.
HP
Rating
1
2.5
2.5
5
10
*
5
Auxiliary Contacts
Description
Auxiliary contact.
Auxiliary contact.
Ratings
Break after break NO/NC.
Break before break NO/NC.
Catalog Numbers
HBLAC1
HBLAC2
Description
Catalog Numbers
Ground block.
Neutral block.
Replacement switch.
HBL30RGB
HBL30RNB
HBLDS3RS
Mechanical Interlock
Replacement Parts
*Notes: HP ratings listed above are AC only.
See pages B-70 and B71 for accessories.
Only receptacles and plugs are HP rated and up to 480V AC only.
For technical information see page B-87.
Dimensions in Inches (mm)
www.hubbell-wiring.com
B-65