B-39
Dimensions in Inches (mm)
www.hubbell-wiring.com Wiring Device-Kellems
®
4.19"
(106.4)
4.88"
(124.0)
11.44"
(290.6)
3.19"
(81.0)
HBLMITL
HBLRFT1
HBL30RGB
HBL30RNB
HBL2620SW
HBL2713SR
HBLAC2
HBLAC1
Twist-Lock® Devices
Mechanical Interlock Switched Safety Enclosures
Circuit-Lock® Unfused Safety-Shroud® Twist-Lock®
Mechanical Interlock Ready for Twist-Lock® Receptacle Addition
This unit is a complete enclosure ready to accept any 20 or 30A Watertight Safety-Shroud
Twist-Lock Receptacle.
Description Ratings Catalog Number
Mechanical Interlock
accommodates 20A or 30A
Watertight Safety-Shroud
Twist-Lock receptacles.
Amperage and voltage ratings will be determined
by the choice of the Watertight Safety-Shroud
Twist-Lock selected. Supplied with ¾" NPT Hub.
HBLMITL
Accepts the following Watertight Safety-Shroud® Twist-Lock® Receptacles:
20A
Rating Voltage AC
NEMA
Config.
Max. HP
Rating*
Receptacle
Catalog Number
Use Watertight
Safety-Shroud
Twist-Lock Plug
2 Pole, 3 Wire 120 L5-20 1HBL2310SW HBL2311SW
208-240 L6-20 2.5 HBL2320SW HBL2321SW
277 L7-20 3HBL2330SW HBL2331SW
3 Pole, 4 Wire 120/240 L14-20 2.5 HBL2410SW HBL2411SW
240 3Ø L15 -20 5 (3@208V) HBL2420SW HBL2421SW
480 3Ø L16-20 10 HBL2430SW HBL2431SW
4 Pole, 5 Wire 120/208 3ØY L21-20 3HBL2510SW HBL2511SW
30A
2 Pole, 3 Wire 120 L5-30 1HBL2610SW HBL2611SW
208-240 L6-30 3HBL2620SW HBL2621SW
3 Pole, 4 Wire 120/240 L14-30 3HBL2710SW HBL2711SW
240 3Ø L15-30 7.5 HBL2720SW HBL2721SW
480 3Ø L16-30 15 HBL2730SW HBL2731SW
600 3Ø L17-30 15 HBL2740SW HBL2741SW
4 Pole, 5 Wire 120/208 3ØY L21-30 7.5 HBL2810SW HBL2811SW
277/48 0 L22-30 7.5 HBL2820SW HBL2821SW
347/60 0 L23-30 7. 5 HBL2830SW HBL2831SW
30A Reverse Service
2 Pole, 3 Wire 120 L5-30 1HBL2615SWR HBL2613SR
3 Pole, 4 Wire 120/240 L14-30 3HBL2715SWR HBL2713SR
3 Pole, 4 Wire 240 3Ø L15-30 7.5 HBL2725SWR HBL2723SR
Auxiliary Contacts
Description Ratings Catalog Number
Auxiliary contact. “Break After Main Break, 1 set of n/o contacts,
1 set of n/c contacts.
HBLAC1
Auxiliary contact. “Break Before Main Break”, 1 set of n/o contacts. HBLAC2
Replacement Parts
Description Catalog Number
Ground block. HBL30RGB
Neutral block. HBL30RNB
Replacement switch. HBLDS3RS
Replacement Mounting Feet
Description Catalog Number
For 30A switches. HBLRFT1
Note: *HP ratings for the final unit are determined by the HP rating of the switch, limited by the full load current capability
of the receptacle at 80% of rated current, number of phases and line voltage. HP ratings listed above are AC only.
Package of 10 feet and 10 screws.
See pages B-52 and B-53 for accessories.
See page B-73 for technical information.
IP66
SUITABILITY
UL Listed, CSA Certified TYPE 4,
4X and TYPE 12K Enclosure Rating